Aerospace series - Externally threaded fastener, 100° countersunk normal head, Spiral Drive Recess - Classification: 1 100 MPa (at ambient temperature)/425 °C

This document specifies the characteristics of externally threaded fasteners, 100° countersunk normal head, Spiral Drive Recess, for aerospace applications.
Classification: 1 100 MPa /425 °C .

Luft- und Raumfahrt - Verbindungselement mit Außengewinde, 100° Senkkopf, mit Spiral-Antrieb - Klasse: 1 100 MPa (bei Raumtemperatur)/425 °C

Série aérospatiale - Élement de fixation à filetage extérieur, tête fraisée normale 100°, empreinte en spirale - Classification : 1 100 MPa (à température ambiante)/425 °C

Le présent document spécifie les caractéristiques des éléments de fixation à filetage extérieur, à tête fraisée normale 100°, empreinte en spirale, pour les applications aérospatiales.
Classification : 1 100 MPa/425 °C.

Aeronavtika - Spojni elementi z zunanjim navojem, 100° ugrezna glava, spiralna vdolbina - Klasifikacije: 1 100 MPa (pri temperaturi okolice)/425 °C

Ta dokument določa značilnosti zunanjih navojnih veznih elementov – 100° ugrezna glava, spiralna vdolbina – za uporabo v aeronavtiki.
Klasifikacija: 1100 MPa/425 °C.

General Information

Status
Published
Publication Date
05-Apr-2022
Technical Committee
Current Stage
6060 - National Implementation/Publication (Adopted Project)
Start Date
30-Mar-2022
Due Date
04-Jun-2022
Completion Date
06-Apr-2022

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SLOVENSKI STANDARD
SIST EN 4853:2022
01-maj-2022
Aeronavtika - Spojni elementi z zunanjim navojem, 100° ugrezna glava, spiralna
vdolbina - Klasifikacije: 1 100 MPa (pri temperaturi okolice)/425 °C

Aerospace series - Externally threaded fastener, 100° countersunk normal head, Spiral

Drive Recess - Classification: 1 100 MPa (at ambient temperature)/425 °C
Luft- und Raumfahrt - Verbindungselement mit Außengewinde, 100° Senkkopf, mit
Spiral-Antrieb - Klasse: 1 100 MPa (bei Raumtemperatur)/425 °C

Série aérospatiale - Élement de fixation à filetage extérieur, tête fraisée normale 100°,

empreinte en spirale - Classification : 1 100 MPa (à température ambiante)/425 °C

Ta slovenski standard je istoveten z: EN 4853:2022
ICS:
49.030.01 Vezni elementi na splošno Fasteners in general
SIST EN 4853:2022 en,fr,de

2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

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SIST EN 4853:2022
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SIST EN 4853:2022
EN 4853
EUROPEAN STANDARD
NORME EUROPÉENNE
March 2022
EUROPÄISCHE NORM
ICS 49.030.01
English Version
Aerospace series - Externally threaded fastener, 100°
countersunk normal head, Spiral Drive Recess -
Classification: 1 100 MPa (at ambient temperature)/425

Série aérospatiale - Élement de fixation à filetage Luft- und Raumfahrt - Verbindungselement mit

extérieur, tête fraisée normale 100°, empreinte en Außengewinde, 100° Senkkopf, mit Spiral-Antrieb -

spirale - Classification : 1 100 MPa (à température Klasse: 1 100 MPa (bei Raumtemperatur)/425 °C

ambiante)/425 °C
This European Standard was approved by CEN on 10 January 2022.

CEN 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 CEN

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 CEN member into its own language and notified to the CEN-CENELEC Management

Centre has the same status as the official versions.

CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia,

Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway,

Poland, Portugal, Republic of North Macedonia, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and

United Kingdom.
EUROPEAN COMMITTEE FOR STANDARDIZATION
COMITÉ EUROPÉEN DE NORMALISATION
EUROPÄISCHES KOMITEE FÜR NORMUNG
CEN-CENELEC Management Centre: Rue de la Science 23, B-1040 Brussels

© 2022 CEN All rights of exploitation in any form and by any means reserved Ref. No. EN 4853:2022 E

worldwide for CEN national Members.
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SIST EN 4853:2022
EN 4853:2022 (E)
Contents Page

European foreword ...................................................................................................................................................... 3

Introduction .................................................................................................................................................................... 4

1 Scope .................................................................................................................................................................... 5

2 Normative references .................................................................................................................................... 5

3 Terms and definitions ................................................................................................................................... 6

4 Requirements ................................................................................................................................................... 7

4.1 Configuration — Dimensions ...................................................................................................................... 7

4.2 Tolerances of form and position ............................................................................................................. 13

4.3 Materials .......................................................................................................................................................... 14

4.4 Surface treatment ......................................................................................................................................... 14

5 Oversize bolts ................................................................................................................................................. 15

6 Designation ..................................................................................................................................................... 17

7 Marking ............................................................................................................................................................ 17

8 Fatigue testing ................................................................................................................................................ 17

9 Technical specification ............................................................................................................................... 18

Bibliography.................................................................................................................................................................. 19

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SIST EN 4853:2022
EN 4853:2022 (E)
European foreword

This document (EN 4853:2022) has been prepared by the Aerospace and Defence Industries Association

of Europe — Standardization (ASD-STAN).

After enquiries and votes carried out in accordance with the rules of this Association, this Standard has

received the approval of the National Associations and the Official Services of the member countries of

ASD, prior to its presentation to CEN.

This European Standard shall be given the status of a national standard, either by publication of an

identical text or by endorsement, at the latest by September 2022, and conflicting national standards shall

be withdrawn at the latest by September 2022.

Attention is drawn to the possibility that some of the elements of this document may be the subject of

patent rights. CEN shall not be held responsible for identifying any or all such patent rights.

According to the CEN-CENELEC Internal Regulations, the national standards organizations of the

following countries are bound to implement this European Standard: Austria, Belgium, Bulgaria, Croatia,

Cyprus, Czech Republic, Denmark, Estonia, Finland, Former Yugoslav Republic of Macedonia, France,

Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands,

Norway, Poland, Portugal, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and

the United Kingdom.
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SIST EN 4853:2022
EN 4853:2022 (E)
Introduction

Aerospace and Defence Standardisation (ASD-STAN) draws attention to the fact that it is claimed that

compliance with this document may involve the use of a patent “Spiral Drive System for Threaded

Fasteners” EP1025370B1.

ASD-STAN takes no position concerning the evidence, validity and scope of this patent right.

The holder of this patent right has assured ASD-STAN that he/she is willing to negotiate licences under

reasonable and non-discriminatory terms and conditions with applicants throughout the world. In this

respect, the statement of the holder of this patent right is registered with ASD-STAN. Information may be

obtained from:
Phillips Screw Company
301 Edgewater Drive, Suite 320
Wakefield, Massachusetts 01880
USA

Attention is drawn to the possibility that some of the elements of this document may be the subject of

patent rights other than those identified above. ASD-STAN shall not be held responsible for identifying

any or all such patent rights.
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SIST EN 4853:2022
EN 4853:2022 (E)
1 Scope

This document specifies the characteristics of externally threaded fasteners, 100° countersunk normal

head, Spiral Drive Recess, for aerospace applications.
1 2
Classification: 1 100 MPa /425 °C .
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.

EN 2133, Aerospace series — Cadmium plating of steels with specified tensile strength ≤ 1 450 MPa, copper,

copper alloys and nickel alloys

EN 2137, Aerospace series — Steel FE-PL75 — 1 100 MPa ≤ Rm ≤ 1 250 MPa — Bars — De ≤ 100 mm

EN 2424, Aerospace series — Marking of aerospace products

EN 2491, Aerospace series — Molybdenum disulphide dry lubricants — Coating methods

EN 2516, Aerospace series — Passivation of corrosion resisting steels and decontamination of nickel base

alloys

EN 3021, Aerospace series — Molybdenum disulphide dry film lubricants graphite and halogen free —

Technical specification

EN 3514, Steel FE-PL711 — hardened and tempered — 1 100 ≤ Rm ≤ 1 300 MPa — Bar and wire for

bolts — De ≤ 25 mm

EN 3761, Aerospace series — Heat resisting alloy FE-PA2601 — Softened and cold worked — Bar for forged

fasteners — D ≤ 50 mm — 1 100 MPa ≤ Rm ≤ 1300 MPa

EN 3813, Aerospace series — Titanium alloy TI-P64001 (Ti-6Al-4V) — Annealed — Bar and wire for forged

fasteners — De ≤ 50 mm

EN 4473, Aerospace series — Aluminium pigmented coatings for fasteners — Technical specification

EN 4609, Aerospace series — Spiral drive recesses for threaded fasteners — Geometrical definition and

technical requirements
ISO 3161, Aerospace — UNJ threads — General requirements and limit dimensions

ISO 3353-1, Aerospace — Lead and runout threads — Part 1: Rolled external threads

ISO 7913, Aerospace — Bolts and screws, metric — Tolerances of form and position
Minimum tensile strength of the material at ambient temperature.

Maximum temperature that the screw can withstand without continuous change in its original characteristics,

after return to ambient temperature. The maximum temperature is determined by the material.

Published as ASD-STAN Prestandard at the date of publication of this standard by AeroSpace and Defence

Industries Association of Europe — Standardization (ASD-STAN) (www.asd-stan.org).

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SIST EN 4853:2022
EN 4853:2022 (E)
NAS621, Fasteners, Titanium Alloy Procurement Specification

NAS4002, Fastener, Alloy Steel, Externally Threaded, 160 KSI Ftu, 95 KSI Fsu, 450 °F

NAS4003, Fastener, A286 Corrosion Resistant Alloy, Externally Threaded, 160 KSI Ftu, 95 KSI Fsu, 1 000 °F

NAS4004, Fastener, 6AL-4V Titanium Alloy, Externally Threaded, 160 KSI Ftu, 95 KSI Fsu, 450 °F

NAS9800, Head Protrusion Gaging, 100° Flush Head Fasteners, Gage Block, Gage Diameters and Stylus4

SAE AMS4928W, Titanium Alloy Bars, Wire, Forgings, Rings, and Drawn Shapes, 6Al — 4V Annealed

SAE AMS4967M, Titanium Alloy, Bars, Wire, Forgings, and Rings 6.0Al — 4.0V Annealed, Heat Treatable

SAE AMS5731L, Steel, Corrosion and Heat-Resistant, Bars, Wire, Forgings, Tubing, and Rings 15Cr —

25.5Ni — 1.2Mo — 2.1Ti — 0.006B — 0.30V Consumable Electrode Melted, 1 800 °F (982 °C) Solution Heat

Treated

SAE AMS5732J, Steel, Corrosion and Heat-Resistant, Bars, Wires, Forgings, Tubing, and Rings, 15Cr —

25.5Ni — 1.2Mo — 2.1Ti — 0.006B — 0.30V Consumable Electrode Melted 1 800°F (982 °C) Solution and

Precipitation Heat Treated

SAE AMS5737G, Steel, Corrosion and Heat Resistant, Bars, Wire, Forgings, and Tubing 15Cr — 25.5Ni —

1.2Mo — 2.1Ti — 0.006B — 0.30V Consumable Electrode Melted 1 650 °F (899 °C) Solution and

Precipitation Heat Treated

SAE AMS5853D, Steel, Corrosion and Heat-Resistant, Bars and Wire 15Cr — 25.5Ni — 1.2Mo — 2.1Ti —

0.006B — 0.30V, Consumable Electrode Melted, 1 800 °F (982 °C) Solution Treated and Work-Strengthened

Capable of 160 ksi (1 103 MPa) Tensile Strength

SAE AMS6322R, Steel Bars, Forgings, and Rings 0.50Cr — 0.55Ni — 0.25Mo (0.38 — 0.43C) (SAE 8740)

SAE AMS6382R, Steel, Bars, Forgings, and Rings 0.95Cr — 0.20Mo (0.38 — 0.43C) (SAE 4140) Annealed

SAE AMS6415U, Steel, Bars, Forgings, and Tubing 0.80Cr — 1.8Ni — 0.25Mo (0.38 — 0.43C) (SAE 4340)

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:

• ISO Online browsing platform: available at https://www.iso.org/obp
• IEC Electropedia: available at https://www.electropedia.org/

Published by: Aerospace Industries Association (AIA), 1000 Wilson Boulevard, Suite 1700, Arlington,

VA 22209-3901, USA.

Published by: Society of Automotive Engineers (SAE), 400 Commonwealth Drive, Warrendale, PA 15096-0001,

USA.
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SIST EN 4853:2022
EN 4853:2022 (E)
4 Requirements
4.1 Configuration — Dimensions
See Figure 1, Table 1, Table 2 and Table 3.

Dimensions and tolerances are expressed in millimetres and apply after surface treatment.

Roughness shall be as follows:

• bearing surfaces (underhead face, fillet radius, shank, thread): Ramax = 0,8 µm;

• all other surfaces: Ramax = 3,2 µm;
• break sharp edges 0,1 to 0,4.
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SIST EN 4
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