1、BS EN 3902:2016Aerospace series Washersfor rivet assemblies, inaluminium alloy, anodized,metric seriesBSI Standards PublicationWB11885_BSI_StandardCovs_2013_AW.indd 1 15/05/2013 15:06BS EN 3902:2016 BRITISH STANDARDNational forewordThis British Standard is the UK implementation of EN 3902:2016. The
2、UK participation in its preparation was entrusted to TechnicalCommittee ACE/12, Aerospace fasteners and fastening systems. A list of organizations represented on this committee can be obtained on request to its secretary.This publication does not purport to include all the necessary provisions of a
3、contract. Users are responsible for its correct application. The British Standards Institution 2017.Published by BSI Standards Limited 2017ISBN 978 0 580 92615 0 ICS 49.030.50 Compliance with a British Standard cannot confer immunity from legal obligations.This British Standard was published under t
4、he authority of the Standards Policy and Strategy Committee on 31 January 2017.Amendments/corrigenda issued since publicationDate T e x t a f f e c t e dBS EN 3902:2016EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 3902 December 2016 ICS 49.030.50 English Version Aerospace series - Washers for
5、 rivet assemblies, in aluminium alloy, anodized, metric series Srie arospatiale - Rondelles pour assemblages par rivets, en alliage daluminium, anodises, srie mtrique Luft- und Raumfahrt - Scheiben fr Nietverbindungen, aus Aluminiumlegierung, anodisiert, metrische ReiheThis European Standard was app
6、roved by CEN on 12 March 2016. 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
7、 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
8、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, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hun
9、gary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey andUnited Kingdom. EUROPEAN COMMITTEE FOR STANDARDIZATION COMIT EUROPEN DE NORMALISATION EUROPISCHES KOMITEE FR NORMUNG CEN-CENE
10、LEC Management Centre: Avenue Marnix 17, B-1000 Brussels 2016 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN 3902:2016 EBS EN 3902:2016EN 3902:2016 (E) 2 Contents Page European foreword 3 1 Scope 4 2 Normative references 4 3 Requi
11、red characteristics 4 4 Designation . 6 5 Marking . 6 6 Quality assurance 6 BS EN 3902:2016EN 3902:2016 (E) 3 European foreword This document (EN 3902:2016) has been prepared by the Aerospace and Defence Industries Association of Europe - Standardization (ASD-STAN). After enquiries and votes carried
12、 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 p
13、ublication of an identical text or by endorsement, at the latest by June 2017, and conflicting national standards shall be withdrawn at the latest by June 2017. Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. CEN and/or CENELEC sh
14、all 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, De
15、nmark, Estonia, Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and the United Kingdom. BS EN 3902:2
16、016EN 3902:2016 (E) 4 1 Scope This European Standard specifies the characteristics of washers for rivet assemblies, in aluminium alloy, anodized, metric series, for maximum operating temperature 120 C, for aerospace applications. 2 Normative references The following documents, in whole or in part, a
17、re normatively referenced in this document and are indispensable for its application. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. EN 2090, Aerospace series Aluminium alloy AL-P2024- T3
18、 Clad sheet and strip 0,3 mm a 6 mm EN 2091, Aerospace series Aluminium alloy 2024-T4 Clad sheet and strip 0,4 a 6 mm 1)EN 2284, Aerospace series Sulphuric acid anodizing of aluminium and wrought aluminium alloys EN 2320, Aerospace series Aluminium alloy 2024-T4 Drawn bar a 75 mm 1)EN 2321, Aluminiu
19、m alloy 2024-T3 Bars and sections a 150 mm Aerospace series 1)EN 2424, Aerospace series Marking of aerospace products EN 9100, Aerospace series Quality Management Systems Requirements for Aviation, Space and Defence Organizations 3 Required characteristics 3.1 Configuration Dimensions Masses See Fig
20、ure 1 and Table 1. Dimensions and tolerances are in millimetres and apply after surface treatment. 3.2 Materials EN 2090, EN 2091, EN 2320 or EN 2321 3.3 Surface treatment EN 2284B 1) Published as ASD-STAN Standard at the date of publication of this standard by AeroSpace and Defence industries Assoc
21、iation of Europe - Standardization (ASD-STAN) (www.asd-stan.org) BS EN 3902:2016EN 3902:2016 (E) 5 values in micrometres apply prior to surface treatment. Remove sharp edges 0,1 to 0,2. Figure 1 Table 1 Size code aCorresponding rivet diameter for information D1D2S Mass cNom. H13 H14 10 % b 015 1,6 1
22、,8 5 0,8 0,038 020 2 2,2 6 0,055 025 2,5 2,7 8 0,100 030 3 3,2 9 1 0,156 035 3,5 3,7 10 0,190 040 4 4,2 12 0,278 050 5 5,2 15 1,6 0,696 060 6 6,2 18 0,968 080 8 8,2 24 1,789 aCorresponds to the nominal diameter. bIncludes also the flatness tolerance. cApproximate values (kg/1 000 pieces), calculated
23、 on the basis of 2,8 kg/dm3, for information purposes only. Ramax 6,3 BS EN 3902:2016EN 3902:2016 (E) 6 4 Designation EXAMPLE Description block WASHER Identity block EN3902-080 Number of this standard Size code (see Table 1) NOTE If necessary, the code I9005 shall be placed between the description b
24、lock and the identity block. 5 Marking EN 2424, style G 6 Quality assurance EN 9100 This page deliberately left blankBSI is the national body responsible for preparing British Standards and other standards-related publications, information and services.BSI is incorporated by Royal Charter. British S
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