SIST EN IEC 61169-60:2021

Radio-frequency connectors - Part 60: Sectional specification for RF coaxial connectors with push on mating - Characteristic impedance 50 Ohm (type SMPM) (IEC 61169-60:2021)

This part of IEC 61169, which is a sectional specification (SS), provides information and rules
for the preparation of detail specifications (DS) for RF coaxial connectors with push-on coupling,
typically for use in 50 Ω RF cables or micro-strips in microwave, telecommunication, wireless
systems and other fields (SMPM).
It specifies mating face dimensions for general purpose connectors – grade 2, dimensional
details of standard test connectors-grade 0, gauging information and tests selected from
IEC 61169-1, applicable to all detail specifications relating to series SMPM RF connectors.
This specification indicates recommended performance characteristics to be considered when
writing a detail specification and it covers test schedules and inspection requirements for
assessment levels M and H.
The SMPM push-on coupling structure series RF coaxial connectors with the characteristic of
normative impedance 50 Ω are used with various kinds of RF cables or micro-strips in
microwave, telecommunication, wireless systems. The operating frequency limit is up to 65 GHz.
NOTE Imperial dimensions are original dimensions. All undimensioned pictorial configurations are for reference
purpose only.

Hochfrequenz-Steckverbinder - Teil 60: Rahmenspezifikation für koaxiale HF-Steckverbinder mit Innendurchmesser des Außenleiters in mm Push-On / SMPM Typ - Wellenwiderstand 50 Ohm (IEC 61169-60:2021)

Connecteurs pour fréquences radioélectriques - Partie 60: Spécification intermédiaire relative aux connecteurs coaxiaux pour fréquences radioélectriques avec couplage par poussée - Impédance caractéristique 50 Ohm (type SMPM) (IEC 61169-60:2021)

lEC 61169-60:2021 fournit des informations et des règles pour l’établissement de spécifications particulières (DS) relatives aux connecteurs coaxiaux pour fréquences radioélectriques avec couplage par poussée, typiquement utilisés dans des câbles de 50 Ω RF ou des microbandes au sein de systèmes d’hyperfréquences, de télécommunication, sans fil ou autres champs (SMPM).
Elle spécifie les dimensions de la face d’accouplement pour les connecteurs à usage général (grade 2), les détails dimensionnels des connecteurs d’essai normalisés (grade 0), les informations de calibrage et les essais choisis à partir de l’IEC 61169-1, applicables à toutes les spécifications particulières relatives aux connecteurs pour fréquences radioélectriques de série SMPM.
Cette spécification indique les caractéristiques de performance recommandées à prendre en compte lors de l’écriture d’une spécification particulière et elle couvre les programmes d’essai et les exigences de contrôle pour les niveaux d’assurance M et H.

Radiofrekvenčni konektorji - 60. del: Področna specifikacija za radiofrekvenčne (RF) koaksialne konektorje s potisnim osnim spajanjem - Karakteristična impedanca 50 Ohm (tip SMPM) (IEC 61169-60:2021)

General Information

• Status: Published
• Publication Date: 14-Jun-2021
• ICS: 33.120.30 - RF connectors
• Technical Committee: MOC - Mobile Communications
• Current Stage: 6060 - National Implementation/Publication (Adopted Project)
• Start Date: 28-Apr-2021
• Due Date: 03-Jul-2021
• Completion Date: 15-Jun-2021
• Ref Project: EN IEC 61169-60:2021 - Radio-frequency connectors - Part 60: Sectional specification for RF coaxial connectors with push on mating - Characteristic impedance 50 Ohm (type SMPM)

Standards Content (Sample)

SLOVENSKI STANDARD
SIST EN IEC 61169-60:2021
01-julij-2021
Radiofrekvenčni konektorji - 60. del: Področna specifikacija za radiofrekvenčne
(RF) koaksialne konektorje s potisnim osnim spajanjem - Karakteristična
impedanca 50 Ohm (tip SMPM) (IEC 61169-60:2021)
Radio-frequency connectors - Part 60: Sectional specification for RF coaxial connectors
with push on mating - Characteristic impedance 50 Ohm (type SMPM) (IEC 61169-
60:2021)
Hochfrequenz-Steckverbinder - Teil 60: Rahmenspezifikation für koaxiale HF-
Steckverbinder mit Innendurchmesser des Außenleiters in mm Push-On / SMPM Typ -
Wellenwiderstand 50 Ohm (IEC 61169-60:2021)
Connecteurs pour fréquences radioélectriques - Partie 60: Spécification intermédiaire
relative aux connecteurs coaxiaux pour fréquences radioélectriques avec couplage par
poussée - Impédance caractéristique 50 Ohm (type SMPM) (IEC 61169-60:2021)
Ta slovenski standard je istoveten z: EN IEC 61169-60:2021
ICS:
33.120.30 Radiofrekvenčni konektorji RF connectors
(RF)
SIST EN IEC 61169-60:2021 en
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

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SIST EN IEC 61169-60:2021

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SIST EN IEC 61169-60:2021


EUROPEAN STANDARD EN IEC 61169-60

NORME EUROPÉENNE

EUROPÄISCHE NORM
April 2021
ICS 33.120.30

English Version
Radio-frequency connectors - Part 60: Sectional specification for
RF coaxial connectors with push on mating - Characteristic
impedance 50 Ohm (type SMPM)
(IEC 61169-60:2021)
Connecteurs pour fréquences radioélectriques - Partie 60: Hochfrequenz-Steckverbinder - Teil 60:
Spécification intermédiaire relative aux connecteurs Rahmenspezifikation für koaxiale HF-Steckverbinder mit
coaxiaux pour fréquences radioélectriques avec couplage Push-On Verbindung - Wellenwiderstand 50 Ohm (Typ
par poussée - Impédance caractéristique 50 Ohm (type SMPM)
SMPM) (IEC 61169-60:2021)
(IEC 61169-60:2021)
This European Standard was approved by CENELEC on 2021-04-21. CENELEC members are bound to comply with the CEN/CENELEC
Internal Regulations which stipulate the conditions for giving this European Standard the status of a national standard without any alteration.
Up-to-date lists and bibliographical references concerning such national standards may be obtained on application to the CEN-CENELEC
Management Centre or to any CENELEC member.
This European Standard exists in three official versions (English, French, German). A version in any other language made by translation
under the responsibility of a CENELEC member into its own language and notified to the CEN-CENELEC Management Centre has the
same status as the official versions.
CENELEC members are the national electrotechnical committees of Austria, Belgium, Bulgaria, Croatia, Cyprus, the Czech Republic,
Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, the
Netherlands, Norway, Poland, Portugal, Republic of North Macedonia, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland,
Turkey and the United Kingdom.


European Committee for Electrotechnical Standardization
Comité Européen de Normalisation Electrotechnique
Europäisches Komitee für Elektrotechnische Normung
CEN-CENELEC Management Centre: Rue de la Science 23, B-1040 Brussels
© 2021 CENELEC All rights of exploitation in any form and by any means reserved worldwide for CENELEC Members.
 Ref. No. EN IEC 61169-60:2021 E

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SIST EN IEC 61169-60:2021
EN IEC 61169-60:2021 (E)
European foreword
The text of document 46F/548/FDIS, future edition 1 of IEC 61169-60, prepared by SC 46F "RF and
microwave passive components" of IEC/TC 46 "Cables, wires, waveguides, RF connectors, RF and
microwave passive components and accessories" was submitted to the IEC-CENELEC parallel vote
and approved by CENELEC as EN IEC 61169-60:2021.
The following dates are fixed:
• latest date by which the document has to be implemented at national (dop) 2022-01-21
level by publication of an identical national standard or by endorsement
• latest date by which the national standards conflicting with the (dow) 2024-04-21
document have to be withdrawn
Attention is drawn to the possibility that some of the elements of this document may be the subject of
patent rights. CENELEC shall not be held responsible for identifying any or all such patent rights.
Endorsement notice
The text of the International Standard IEC 61169-60:2021 was approved by CENELEC as a European
Standard without any modification.
2

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SIST EN IEC 61169-60:2021
EN IEC 61169-60:2021 (E)
Annex ZA
(normative)

Normative references to international publications
with their corresponding European publications
The following documents are referred to in the text in such a way that some or all of their content
constitutes requirements of this document. For dated references, only the edition cited applies. For
undated references, the latest edition of the referenced document (including any amendments)
applies.
NOTE 1  Where an International Publication has been modified by common modifications, indicated by (mod),
the relevant EN/HD applies.
NOTE 2  Up-to-date information on the latest versions of the European Standards listed in this annex is available
here: www.cenelec.eu.
Publication Year Title EN/HD Year
IEC 60068-1 - Environmental testing - Part 1: General and EN 60068-1 -
guidance
IEC 61169-1 2013 Radio frequency connectors - Part 1: EN 61169-1 2013
Generic specification - General requirements
and measuring methods
IEC 62037 series RF connectors, connector cable assemblies EN IEC 62037 series
and cables - Intermodulation level
measurement

3

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SIST EN IEC 61169-60:2021

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SIST EN IEC 61169-60:2021



IEC 61169-60

®


Edition 1.0 2021-03




INTERNATIONAL



STANDARD




NORME


INTERNATIONALE











Radio-frequency connectors –

Part 60: Sectional specification for RF coaxial connectors with push on mating –

Characteristic impedance 50 Ohm (type SMPM)



Connecteurs pour fréquences radioélectriques –

Partie 60: Spécification intermédiaire relative aux connecteurs coaxiaux pour


fréquences radioélectriques avec couplage par poussée – Impédance

caractéristique 50 Ohm (type SMPM)












INTERNATIONAL

ELECTROTECHNICAL

COMMISSION


COMMISSION

ELECTROTECHNIQUE


INTERNATIONALE




ICS 33.120.30 ISBN 978-2-8322-9541-0




Warning! Make sure that you obtained this publication from an authorized distributor.

Attention! Veuillez vous assurer que vous avez obtenu cette publication via un distributeur agréé.

® Registered trademark of the International Electrotechnical Commission
Marque déposée de la Commission Electrotechnique Internationale

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SIST EN IEC 61169-60:2021
– 2 – IEC 61169-60:2021 © IEC 2021
CONTENTS
FOREWORD . 4
1 Scope . 6
2 Normative references . 6
3 Terms and definitions . 6
4 Mating face and gauge information . 7
4.1 Dimensions – General connectors – Grade 2 . 7
4.1.1 SMPM connector with pin-centre contact . 7
4.1.2 SMPM connector with socket-centre contact (see Figure 3) . 9
4.2 SMPM gauges . 10
4.2.1 SMPM gauge pin for socket-centre contact . 10
4.2.2 Gauges for outer contact of SMPM connector with socket-centre contact. 11
5 Quality assessment procedure . 19
5.1 General . 19
5.2 Rating and characteristics (see Clause 5 of IEC 61169-1:2013) . 19
5.3 Test schedule and inspection requirements. 22
5.3.1 Acceptance tests . 22
5.3.2 Periodic tests . 22
5.4 Procedures for the quality conformance . 24
5.4.1 Quality conformance inspection . 24
5.4.2 Quality conformance and its maintenance . 24
6 Instructions for preparation of detail specifications (DS) . 24
6.1 General . 24
6.2 Identification of the component . 24
6.3 Performances . 25
6.4 Marking, ordering information and related matters . 25
6.5 Selection of tests, test conditions and severities . 25
6.6 Blank detail specification pro-forma for type SMPM connector . 26
7 Marking . 30
7.1 Marking of component . 30
7.2 Marking and contents of package . 30

Figure 1 – SMPM connector with pin-centre contact – Full detent (for dimensions, see
Table 1) . 7
Figure 2 – SMPM connector with pin-centre contact – Smooth bore (for dimensions,
see Table 2) . 8
Figure 3 – SMPM connector with socket-centre contact (for dimensions, see Table 3) . 9
Figure 4 – SMPM gauge pin for socket-centre contact (for dimensions, see Table 4) . 10
Figure 5 – SMPM engagement force gauge – Full detent (for dimensions, see Table 5) . 11
Figure 6 – SMPM Separation force gauge – Full detent (for dimensions, see Table 6) . 13
Figure 7 – SMPM Engagement force gauge – Smooth bore (for dimensions, see Table
7) . 15
Figure 8 – SMPM Separation force gauge – Smooth bore (for dimensions, see Table 8) . 17
Figure 9 – SMPM gauge block (for dimensions, see Table 9) . 18

Table 1 – Dimensions of SMPM connector with pin-centre contact full detent . 7

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IEC 61169-60:2021 © IEC 2021 – 3 –
Table 2 – Dimensions of SMPM connector with pin-centre contact – Smooth bore . 8
Table 3 – Dimensions of SMPM connector with socket-centre contact. 9
Table 4 – Dimensions of SMPM gauge pin for socket-centre contact . 10
Table 5 – Dimensions of SMPM engagement force gauge – Full detent . 12
Table 6 – Dimensions of SMPM separation force gauge – Full detent . 14
Table 7 – Dimensions of SMPM engagement force gauge – Smooth bore . 16
Table 8 – Dimensions of SMPM separation force gauge – Smooth bore . 18
Table 9 – Dimensions of SMPM gauge block . 19
Table 10 – Preferred climatic categories (see IEC 60068-1) . 19
Table 11 – Rating and characteristics . 20
Table 12 – Acceptance tests . 22
Table 13 – Periodic tests . 23

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INTERNATIONAL ELECTROTECHNICAL COMMISSION
____________

RADIO-FREQUENCY CONNECTORS –

Part 60: Sectional specification for RF coaxial connectors with push
on mating – Characteristic impedance 50 Ohm (type SMPM)

FOREWORD
1) The International Electrotechnical Commission (IEC) is a worldwide organization for standardization comprising
all national electrotechnical committees (IEC National Committees). The object of IEC is to promote international
co-operation on all questions concerning standardization in the electrical and electronic fields. To this end and
in addition to other activities, IEC publishes International Standards, Technical Specifications, Technical Reports,
Publicly Available Specifications (PAS) and Guides (hereafter referred to as “IEC Publication(s)”). Their
preparation is entrusted to technical committees; any IEC National Committee interested in the subject dealt with
may participate in this preparatory work. International, governmental and non-governmental organizations liaising
with the IEC also participate in this preparation. IEC collaborates closely with the International Organization for
Standardization (ISO) in accordance with conditions determined by agreement between the two organizations.
2) The formal decisions or agreements of IEC on technical matters express, as nearly as possible, an international
consensus of opinion on the relevant subjects since each technical committee has representation from all
interested IEC National Committees.
3) IEC Publications have the form of recommendations for international use and are accepted by IEC National
Committees in that sense. While all reasonable efforts are made to ensure that the technical content of IEC
Publications is accurate, IEC cannot be held responsible for the way in which they are used or for any
misinterpretation by any end user.
4) In order to promote international uniformity, IEC National Committees undertake to apply IEC Publications
transparently to the maximum extent possible in their national and regional publications. Any divergence between
any IEC Publication and the corresponding national or regional publication shall be clearly indicated in the latter.
5) IEC itself does not provide any attestation of conformity. Independent certification bodies provide conformity
assessment services and, in some areas, access to IEC marks of conformity. IEC is not responsible for any
services carried out by independent certification bodies.
6) All users should ensure that they have the latest edition of this publication.
7) No liability shall attach to IEC or its directors, employees, servants or agents including individual experts and
members of its technical committees and IEC National Committees for any personal injury, property damage or
other damage of any nature whatsoever, whether direct or indirect, or for costs (including legal fees) and
expenses arising out of the publication, use of, or reliance upon, this IEC Publication or any other IEC Publications.
8) Attention is drawn to the Normative references cited in this publication. Use of the referenced publications is
indispensable for the correct application of this publication.
9) Attention is drawn to the possibility that some of the elements of this IEC Publication may be the subject of patent
rights. IEC shall not be held responsible for identifying any or all such patent rights.
IEC 61169-60 has been prepared by subcommittee 46F: RF and microwave passive
components, of IEC technical committee 46: Cables, wires, waveguides, RF connectors, RF
and microwave passive components and accessories. It is an International Standard.
The text of this International Standard is based on the following documents:
FDIS Report on voting
46F/548/FDIS 46F/555/RVD

Full information on the voting for its approval can be found in the report on voting indicated in
the above table.
The language used for the development of this International Standard is English.

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SIST EN IEC 61169-60:2021
IEC 61169-60:2021 © IEC 2021 – 5 –
This document was drafted in accordance with ISO/IEC Directives, Part 2, and developed in
accordance with ISO/IEC Directives, Part 1 and ISO/IEC Directives, IEC Supplement, available
at www.iec.ch/members_experts/refdocs. The main document types developed by IEC are
described in greater detail at www.iec.ch/standardsdev/publications.
A list of all parts of the IEC 61169 series, under the general title Radio-frequency connectors,
can be found on the IEC website.
The committee has decided that the contents of this document will remain unchanged until the
stability date indicated on the IEC website under "http://webstore.iec.ch" in the data related to
the specific document. At this date, the document will be
• reconfirmed,
• withdrawn,
• replaced by a revised edition, or
• amended.

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RADIO-FREQUENCY CONNECTORS –

Part 60: Sectional specification for RF coaxial connectors with push
on mating – Characteristic impedance 50 Ohm (type SMPM)



1 Scope
This part of IEC 61169, which is a sectional specification (SS), provides information and rules
for the preparation of detail specifications (DS) for RF coaxial connectors with push-on coupling,
typically for use in 50 Ω RF cables or micro-strips in microwave, telecommunication, wireless
systems and other fields (SMPM).
It specifies mating face dimensions for general purpose connectors – grade 2, dimensional
details of standard test connectors-grade 0, gauging information and tests selected from
IEC 61169-1, applicable to all detail specifications relating to series SMPM RF connectors.
This specification indicates recommended performance characteristics to be considered when
writing a detail specification and it covers test schedules and inspection requirements for
assessment levels M and H.
The SMPM push-on coupling structure series RF coaxial connectors with the characteristic of
normative impedance 50 Ω are used with various kinds of RF cables or micro-strips in
microwave, telecommunication, wireless systems. The operating frequency limit is up to 65 GHz.
NOTE Imperial dimensions are original dimensions. All undimensioned pictorial configurations are for reference
purpose only.
2 Normative references
The following documents are referred to in the text in such a way that some or all of their content
constitutes requirements of this document. For dated references, only the edition cited applies.
For undated references, the latest edition of the referenced document (including any
amendments) applies.
IEC 60068-1, Environmental testing – Part 1: General and guidance
IEC 61169-1:2013, Radio frequency connectors – Part 1: Generic specification – General
requirements and measuring methods
IEC 62037 (all parts), Passive RF and microwave devices, intermodulation level measurement
3 Terms and definitions
No terms and definitions are listed in this document.
ISO and IEC maintain terminological databases for use in standardization at the following
addresses:
• IEC Electropedia: available at http://www.electropedia.org/
• ISO Online browsing platform: available at http://www.iso.org/obp

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IEC 61169-60:2021 © IEC 2021 – 7 –
4 Mating face and gauge information
4.1 Dimensions – General connectors – Grade 2
4.1.1 SMPM connector with pin-centre contact
4.1.1.1 SMPM connector with pin-centre contact – Full detent (see Figure 1)

Figure 1 – SMPM connector with pin-centre contact –
Full detent (for dimensions, see Table 1)
Table 1 – Dimensions of SMPM connector with pin-centre contact full detent
Ref. Inches (millimetres) Remarks
min max
A 0,083 (2,108) 0,085 (2,159)
B 0,111 (2,819) 0,115 (2,921)
C 0,0115 (0,292) 0,0125 (0,318)
D 0,086 (2,184) 0,088 (2,235)
E 0,030 (0,762) 0,045 (1,143)
F 0,082 (2,083) 0,084 (2,134)
G 0,062 (1,575) 0,072 (1,829)
H 0,021 (0,533) 0,023 (0,584)
J 0,000 (0,000)

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4.1.1.2 SMPM connector with pin-centre contact – Smooth bore (see Figure 2)

Figure 2 – SMPM connector with pin-centre contact –
Smooth bore (for dimensions, see Table 2)
Table 2 – Dimensions of SMPM connector with pin-centre contact – Smooth bore
Ref. Inches (millimetres) Remarks
min max
B 0,111 (2,819) 0,115 (2,921)
C 0,0115 (0,292) 0,0125 (0,318)
D 0,086 (2,184) 0,088 (2,235)
E 0,030 (0,762) 0,045 (1,143)
F 0,082 (2,083) 0,084 (2,134)
G 0,062 (1,575) 0,072 (1,829)
J 0,000 (0,000)

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IEC 61169-60:2021 © IEC 2021 – 9 –
4.1.2 SMPM connector with socket-centre contact (see Figure 3)

Requirements
Features shall meet the mechanical/electrical requirements when mated with connector with pin-centre contact.
Figure 3 – SMPM connector with socket-centre contact
(for dimensions, see Table 3)
Table 3 – Dimensions of SMPM connector with socket-centre contact
Ref. Inches (millimetres) Remarks
min max
A 0,110 (2,794)
B 0,000 (0,000) 0,008 (0,203)
C 0,050 (1,270)
D 0,068 (1,727)
E 0,095 (2,413)
F 0,023 (0,584)

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4.2 SMPM gauges
4.2.1 SMPM gauge pin for socket-centre contact
Dimensions in inches (millimetres)

Requirements
1 Material: 440 stainless steel hardness 56 RC to 60 RC.
2 All surfaces shall be Ra 32 microinches (0,8 µm) maximum except the mating surfaces ØA and spherical radius
shall be Ra 16 microinches (0,4 µm) maximum.
Figure 4 – SMPM gauge pin for socket-centre contact
(for dimensions, see Table 4)
Table 4 – Dimensions of SMPM gauge pin for socket-centre contact
Ref. Gauge A – Oversize Gauge B – Insertion force Gauge C – Retention force
Inches (millimetres) Inches (millimetres) Inches (millimetres)
min max min max min max
A 0,0130 (0,330) 0,0131 (0,333) 0,0125 (0,318) 0,0126 (0,320) 0,0114 (0,290) 0,0115 (0,292)

4.2.1.1 Test procedure
4.2.1.1.1 Insertion force
Figure 4 oversize gauge A shall be inserted into the socket-centre contact 3 times to a depth of
0,030 inch (0,762 mm) to 0,045 inch (1,143 mm).
Figure 4 insertion force gauge B shall be inserted into the socket-centre contact to a depth of
0,030 inch (0,762 mm) to 0,045 inch (1,143 mm). The insertion force measured shall be 24 oz.
(6,67 N) maximum.

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4.2.1.1.2 Retention force
Figure 4 retention force gauge C shall be inserted into the socket-centre contact to a depth of
0,030 inch (0,762 mm) to 0,045 inch (1,143 mm). The retention (withdrawal) force shall be
0,25 oz. (0,07 N) minimum.
4.2.2 Gauges for outer contact of SMPM connector with socket-centre contact
4.2.2.1 Engagement force gauge – Full detent for outer contact of SMPM connector
with socket-centre
Dimensions in inches (millimetres)

Requirements
1 Material – 440 stainless steel hardness 56-60 RC.
2 Break corners and edges 0,127 mm (0,005 inches) R. Max. Except øD feature shall be 0,025 mm (0,001 inches)
R. Max.
3 Remove all burrs.
4 All diameters concentric to datum A within 0,025 mm (0,001 inches) T.I.R.
5 All surfaces shall be Ra 0,8 µm (32 microinches) maximum except the mating surfaces 31° ±0,5°, øA, 30° ±1°
and øD shall be Ra 0,4 µm (16 microinches) maximum.
6 Chamfer first thread
7 No lubricant allowed
Figure 5 – SMPM engagement force gauge –
Full detent (for dimensions, see Table 5)

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Table 5 – Dimensions of SMPM engagement force gauge – Full detent
Ref. Inches (millimetres) Remarks
min max
A 0,0829 (2,106) 0,0831 (2,111)
B 0,111 (2,819) 0,115 (2,921)
D 0,086 (2,184) 0,088 (2,235)
E 0,002 (0,051) 0,004 (0,102)
F 0,082 (2,083) 0,084 (2,134)
G 0,062 (1,575) 0,072 (1,829)
H 0,021 (0,533) 0,023 (0,584)
J 0,170 (4,318) 0,180 (4,572)
K 0,245 (6,223) 0,255 (6,477)
L 0,217 (5,512) 0,223 (5,664)
M 0,370 (9,398) 0,380 (9,652)
N 0,055 (1,397) 0,065 (1,651)

4.2.2.2 Test procedure
The force gauge shall be threaded onto the Figure 9 SMPM Gauge Block and torqued
sufficiently to prevent loosening of the thread during force measurement.
Figure 5 engagement force gauge – Full detent shall be fully mated 5 times with the outer
contact of the connector. The engagement force shall be measured on the insertion of the fifth
mating cycle. The engagement force shall be 8 lbs. (35,59 N) maximum.

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4.2.2.3 Separation force gauge – Full detent for outer contact of SMPM connector
with socket-centre
Dimensions in inches (millimetres)

Requirements
1 Material – 440 stainless steel hardness 56-60 RC.
2 Break corners and edges 0,127 mm (0,005 inches) R. Max. Except øD feature shall be 0,025 mm (0,001 inches)
R. Max.
3 Remove all burrs.
4 All diameters concentric to datum A within 0,025 mm (0,001 inches) T.I.R.
5 All surfaces shall be Ra 0,8 µm (32 microinches) maximum except the mating surfaces 30° ±1°, øA, 29° ±0,5°
and øD shall be Ra 0,4 µm (16 microinches) maximum.
6 Chamfer first thread
7 No lubricant allowed
Figure 6 – SMPM Separation force gauge –
Full detent (for dimensions, see Table 6)

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SIST EN IEC 61169-60:2021
– 14 – IEC 61169-60:2021 © IEC 2021
Table 6 – Dimensions of SMPM separation force gauge – Full detent
Ref. Inches (millimetres) Remarks
min max
A 0,0849 (2,156) 0,0851 (2,162)
B 0,111 (2,819) 0,115 (2,921)
D 0,0859 (2,182) 0,0861 (2,187)
E 0,002 (0,051) 0,004 (0,102)
F 0,082 (2,083) 0,084 (2,134)
G 0,062 (1,575) 0,072 (1,829)
H 0,021 (0,533) 0,023 (0,584)
J 0,170 (4,318) 0,180 (4,572)
K 0,245 (6,223) 0,255 (6,477)
L 0,217 (5,512) 0,223 (5,664)
M 0,370 (9,398) 0,380 (9,652)
N 0,055 (1,397) 0,065 (1,651)

4.2.2.4 Test procedure
The force gauge shall be threaded onto the Figure 9 SMPM gauge block and torqued sufficiently
to prevent loosening of the thread during force measurement.
Figure 6 separation force gauge – Full detent shall be fully mated 5 times with the outer contact
of the connector. The separation force shall be measured on the withdrawal of the fifth mating
cycle. The separation force shall be 3 lbs. (13,34 N) minimum.

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SIST EN IEC 61169-60:2021
IEC 61169-60:2021 © IEC 2021 – 15 –
4.2.2.5 Engagement force gauge – Smooth bore for outer contact of SMPM connector
with socket-centre
Dimensions in inches (millimetres)

Requirements
1 Material – 440 stainless steel hardness 56-60 RC.
2 Break corners and edges 0,127 mm (0,005 inches) R. Max. Except øD feature shall be 0,025 mm (0,001 inches)
R. Max.
3 Remove all burrs.
4 All diameters concentric to datum A within 0,025 mm (0,001 inches) T.I.R.
5 All surfaces shall be Ra 0,8 µm (32 microinches) maximum except the mating surfaces 31° ±0,5° and øD shall be
Ra 0,4 µm (16 microinches) maximum.
6 Chamfer first thread
7 No lubricant allowed
Figure 7 – SMPM Engagement force gauge –
Smooth bore (for dimensions, see Table 7)

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SIST EN IEC 61169-60:2021
– 16 – IEC 61169-60:2021 © IEC 2021
Table 7 – Dimensions of SMPM engagement force gauge – Smooth bore
Ref. Inches (millimetres) Remarks
min max
B 0,111 (2,819) 0,115 (2,921)
D 0,0859 (2,182) 0,0861 (2,187)
E 0,002 (0,051) 0,004 (0,102)
F 0,082 (2,083) 0,084 (2,134)
G 0,062 (1,575) 0,072 (1,829)
J 0,170 (4,318) 0,180 (4,572)
K 0,245 (6,223) 0,255 (6,477)
L 0,217 (5,512) 0,223 (5,664)
M 0,370 (9,398) 0,380 (9,652)
N 0,
...