Aerospace series - Shock mount with bushes - Part 2: Technical overview

This document specifies the dimensions, masses, the tolerances and the required characteristics of shock mounts with bushes for aerospace interior application and without contamination by phosphate-ester hydraulic fluids.

Luft- und Raumfahrt - Schwingungsdämpfer mit Buchse - Teil 2: Technische Übersicht

Série aérospatiale - Amortisseur de vibrations à bagues - Partie 2 : Présentation technique

Le présente document spécifie les dimensions, masses, tolérances et caractéristiques requises des amortisseurs de vibrations à bagues, pour les applications intérieures aérospatiales et sans contamination par des fluides hydrauliques esterphosphoriques.

Aeronavtika - Dušilniki vibracij z oblogami - 2. del: Tehnični pregled

Ta evropski standard določa mere, maso, tolerance in zahtevane lastnosti dušilnikov vibracij z oblogami za uporabo v notranji opremi za aeronavtiko, ki ni izpostavljena hidravličnim tekočinam na osnovi fosfatnih estrov.

General Information

Status
Published
Publication Date
30-Aug-2022
Withdrawal Date
29-Nov-2022
Current Stage
6060 - Definitive text made available (DAV) - Publishing
Start Date
25-May-2022
Completion Date
25-May-2022

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SLOVENSKI STANDARD
SIST EN 4841-2:2022
01-julij-2022
Aeronavtika - Dušilniki vibracij z oblogami - 2. del: Tehnični pregled
Aerospace series - Shock mount with bushes - Part 2: Technical overview

Luft- und Raumfahrt - Schwingungsdämpfer mit Buchse - Teil 2: Technische Übersicht

Série aérospatiale - Amortisseur de vibrations avec douille - Partie 2 : Présentation

technique
Ta slovenski standard je istoveten z: EN 4841-2:2022
ICS:
49.035 Sestavni deli za letalsko in Components for aerospace
vesoljsko gradnjo construction
SIST EN 4841-2:2022 en,fr,de

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

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SIST EN 4841-2:2022
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SIST EN 4841-2:2022
EN 4841-2
EUROPEAN STANDARD
NORME EUROPÉENNE
May 2022
EUROPÄISCHE NORM
ICS 49.035
English Version
Aerospace series - Shock mount with bushes - Part 2:
Technical overview

Série aérospatiale - Amortisseur de vibrations à bagues Luft- und Raumfahrt - Schwingungsdämpfer mit

- Partie 2 : Présentation technique Buchse - Teil 2: Technische Übersicht
This European Standard was approved by CEN on 12 July 2020.

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 4841-2:2022 E

worldwide for CEN national Members.
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SIST EN 4841-2:2022
EN 4841-2:2022 (E)
Contents Page

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

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

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

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

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

4 Requirements ................................................................................................................................................... 6

4.1 Configuration, dimensions, tolerances and masses ........................................................................... 6

4.1.1 Configuration .................................................................................................................................................... 6

4.1.2 Dimensions, tolerances and masses ........................................................................................................ 6

4.1.3 Serviceable life ................................................................................................................................................. 6

4.1.4 Storage time ...................................................................................................................................................... 6

4.1.5 Working life ...................................................................................................................................................... 6

4.1.6 Temperature range ........................................................................................................................................ 6

4.1.7 Loads ................................................................................................................................................................... 6

5 Assembly code definitions ........................................................................................................................... 8

6 Materials ............................................................................................................................................................ 9

7 Dimensions and mass .................................................................................................................................. 11

8 Marking ............................................................................................................................................................ 18

9 Designation ..................................................................................................................................................... 18

10 Technical specification ............................................................................................................................... 18

Annex A (informative) Overview of assembly with tie rods according to EN 4693, EN 4694

and EN 4695 .................................................................................................................................................... 19

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SIST EN 4841-2:2022
EN 4841-2:2022 (E)
European foreword

This document (EN 4841-2:2022) 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 document 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 November 2022, and conflicting national standards

shall be withdrawn at the latest by November 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.

Any feedback and questions on this document should be directed to the users’ national standards body.

A complete listing of these bodies can be found on the CEN website.
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SIST EN 4841-2:2022
EN 4841-2:2022 (E)
Introduction

This document is part of the series of EN mechanical standards for aerospace applications.

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SIST EN 4841-2:2022
EN 4841-2:2022 (E)
1 Scope

This document specifies the dimensions, masses, the tolerances and the required characteristics of

shock mounts with bushes for aerospace interior application and without contamination by phosphate-

ester hydraulic fluids.
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 2424:2008, Aerospace series — Marking of aerospace products

EN 4693, Aerospace series — Tie rod with integrated bolts — Assembly Code A, B and C

EN 4694, Aerospace series — Tie rod with integrated bolts — Assembly Code D, E and F

EN 4695, Aerospace series — Tie rod with integrated bolts — Assembly Code G, H and K

EN 4841-1, Aerospace series — Shock mount with bushes — Part 1: Technical specification

EN 22768-1:1993, General tolerances — Part 1: Tolerances for linear and angular dimensions without

individual tolerance indications (ISO 2768-1:1989)

EN 22768-2:1993, General tolerances — Part 2: Geometrical tolerances for features without individual

tolerance indications (ISO 2768-2:1989)

SAE AS 5316, Storage of Elastomer Seals and Seal Assemblies Which Include an Elastomer Element Prior

to Hardware Assembly

SAE AS 14102E, Bearing, Plain, Self-Lubricating, Self-Aligning, Low Speed, Wide, Chamfered Race,

−65 °F to 325 °F

LN 9368-1, Aerospace — Designation of surface treatments — Composition of code numbers, indications

in design documents, survey

LN 9368-4, Aerospace — Designation of surface treatments — Part 4: Code numbers for methods of

anodic treatment

WL 1.4548-2, Aerospace — Precipitation-hardening stainless chromium-nickel-copper steel with approx.

0,05C-16Cr-4Cu-4Ni — Bars and forgings

WL 3.1354-2, Aerospace — Wrought aluminium alloy with approx. 4,4Cu-1,5Mg-0,6Mn — Bars

Published by SAE, https://www.sae.org/
Published by: Beuth Verlag GmbH, https://www.beuth.de/de.
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SIST EN 4841-2:2022
EN 4841-2:2022 (E)
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/
4 Requirements
4.1 Configuration, dimensions, tolerances and masses
4.1.1 Configuration
The configuration shall be in accordance with Figure 1, Figure 2 and Figure 3.
4.1.2 Dimensions
...

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