1、CEN EN+2912 96 m 3404589 0128427 7TL m BRITISH STANDARD AEROSPACE SERIES The European Standard EN 2912 : 1996 has the status of a British Standard ICs 49.040.20 NO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAW BS EN 2912 : 1996 Washers, flat, large diameter in aluminium alloy,
2、anodized or chromated CEN EN*2912 96 3404589 0328430 413 Amd. No. BS EN 2912 : 1996 Date Text affected Committees responsible for this British Standard The preparation of this British Standard was entrusted to Technical Committee ACW12, Aerospace fasteners and fastening systems, upon which the folio
3、wing bodies were represented: Association of Electronic, Telecommunications and Business Equipment Industries British Industriai Fasteners Federation Ministsy of Defence Society of British Aerospace Companies This British Standard, having been prepared under the direction of the Engineering Sector B
4、oard, was published under the authority of the Standads Board and comes into effect on 15 June 1996 O BSI 1996 Amendments issued since publication The following BSI references relate to the work on this standard Committee reference ACW12 Draft for comment 88/76306 DC ISBN O 680 25931 6 CEN EN*K2912
5、76 3404589 0128431 35T BS EN 2912 : 1996 Contents Committees responsible National foreword page Inside front cover 11 Foreword 2 Specification 1 Scope 3 2 Normative references 3 3 Required chmteristics 3 4 Designation 5 6 Marking 5 6 Quatyassurance 5 O BSI 1996 i CEN EN*2912 96 3404589 0128432 296 B
6、S EN 2912 : 1996 National foreword This British Standard has been prepared by Technical Committee ACW12 and is the English language version of EN 2912 : 1996 Amspace series - Waskers, flat, large diumW, in aluminium Fax: 0181 996 7400. BSI offers members an individual updating service called PLUS wh
7、ich ensures that subscribers automatically receive the latest editions of standards. Buying standards Orders for all BSI, international and foreign standards publications should be addressed to Customer Services, Sales Department at Chiswick Tek 0181 996 7000, Fax: 0181 996 7001. In response to orde
8、rs for international standards, it is BSI policy to supply the BSI implementation of those that have been published as British Standards, unless otherwise requested Information on standards BSI provides a wide range of information on national, European ant: ,uternational standards through its Librar
9、y, the Standardiine Database, the BSI Information Technology Service (SITS) and its Technical Help to Exporters Service. Contact the Infomation Department at Chiswick Tel 0181 996 7111; Fax: 0181 996 7048. Subscribing members of BSI are kept up to date with standards developments and receive substan
10、tial discounts on the purchase price of standards. For details of these and other benefits contact Customer Services, Membership at Chiswick Tek 0181 996 7002; Fax: 0181 996 7001. Copyright Copyright subsists in all BSI publications. BSI also holds the copyright, in the TJK, of the publications of t
11、he intmnational standardization bodies. Except as permitted under the Copynght, Designs and Patents Act 1988 no extract. may be reproduced, stored in a retried system or transmitted in any form or by any means - eleclronic, photocopying, recording or otherwise - without prior written permission from
12、 BSI. This does not preclude the free use, in the course of implementing the standard, of necessary details such as symbols, and size, type or grade designations. if these details are to be used for any other purpose than implementation then the prior written permission of BSI must be obtained If permission is granted, the terms may include royalty payments or a licensing agreement. Details and advice can be obtained from the Copyright Manager, BSI, 389 Chiswick High Road, London W4 4AL ISBN O 680 26931 6 ACW12
