《BS-EN-4121-2003.pdf》由会员分享,可在线阅读,更多相关《BS-EN-4121-2003.pdf(10页珍藏版)》请在三一文库上搜索。
1、BRITISH STANDARD AEROSPACE SERIES BS EN 4121:2003 Shank nuts, serrated, self-locking, in heat resisting steel FE-PA92HT (A286), silver plated on thread Classification: 1 100 MPa (at ambient temperature) / 650 ? ?C The European Standard EN 4121:2003 has the status of a British Standard ICS 49.030.30
2、? Licensed Copy: sheffieldun sheffieldun, na, Sat Nov 04 08:36:09 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS EN 4121:2003 This British Standard was published under the authority of the Standards Policy and Strategy Committee on 10 February 2003 BSI 10 February 2003 ISBN 0 580 41216 4 National for
3、eword This British Standard is the official English language version of EN 4121:2003. The UK participation in its preparation was entrusted by Technical Committee ACE/12, Aerospace fasteners and fastening systems, to Subcommittee ACE/12/1, Aerospace fasteners and fastening systems (international), w
4、hich has the responsibility to: A list of organizations represented on this subcommittee can be obtained on request to its secretary. Cross-references The British Standards which implement international or European publications referred to in this document may be found in the BSI Catalogue under the
5、 section entitled “International Standards Correspondence Index”, or by using the “Search” facility of the BSI Electronic Catalogue or of British Standards Online. This publication does not purport to include all the necessary provisions of a contract. Users are responsible for its correct applicati
6、on. Compliance with a British Standard does not of itself confer immunity from legal obligations. aid enquirers to understand the text; present to the responsible international/European committee any enquiries on the interpretation, or proposals for change, and keep the UK interests informed; monito
7、r related international and European developments and promulgate them in the UK. Summary of pages This document comprises a front cover, an inside front cover, the EN title page, pages 2 to 7 and a back cover. The BSI copyright date displayed in this document indicates when the document was last iss
8、ued. Amendments issued since publication Amd. No. DateComments Licensed Copy: sheffieldun sheffieldun, na, Sat Nov 04 08:36:09 GMT+00:00 2006, Uncontrolled Copy, (c) BSI EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 4121 January 2003 ICS 49.030.30 English version Aerospace series - Shank nuts
9、, serrated, self-locking , in heat resisting steel FE-PA92HT (A286), silver plated on thread - Classification: 1 100 MPa (at ambient temperature) / 650C This European Standard was approved by CEN on 2 June 2002. CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulat
10、e 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 Management Centre or to any CEN member. This European Standard exists
11、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 Management Centre has the same status as the official versions. CEN members are the national standards bodies o
12、f Austria, Belgium, Czech Republic, Denmark, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Luxembourg, Malta, Netherlands, Norway, Portugal, Slovakia, Spain, Sweden, Switzerland and United Kingdom. EUROPEAN COMMITTEE FOR STANDARDIZATION COMIT EUROPEN DE NORMALISATION EUROPISCHE
13、S KOMITEE FR NORMUNG Management Centre: rue de Stassart, 36 B-1050 Brussels 2003 CENAll rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN 4121:2003 E Licensed Copy: sheffieldun sheffieldun, na, Sat Nov 04 08:36:09 GMT+00:00 2006, Uncontrolle
14、d Copy, (c) BSI EN 4121:2003 (E) 2 Contentspage 1Scope 3 2Normative references 3 3Required characteristics.4 3.1Configuration - Dimensions - Tolerances Masses 4 3.2Materials4 3.3Surface treatment 4 4Designation.6 5Marking .7 6Technical specification .7 7Installation holes7 8Installation procedure .7
15、 Licensed Copy: sheffieldun sheffieldun, na, Sat Nov 04 08:36:09 GMT+00:00 2006, Uncontrolled Copy, (c) BSI EN 4121:2003 (E) 3 Foreword This document (EN 4121:2003) has been prepared by the European Association of Aerospace Manufacturers Standardization (AECMA-STAN). After enquiries and votes carrie
16、d 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 AECMA, prior to its presentation to CEN. This European Standard shall be given the status of a national standard, either b
17、y publication of an identical text or by endorsement, at the latest by July 2003, and conflicting national standards shall be withdrawn at the latest by July 2003. According to the CEN/CENELEC Internal Regulations, the national standards organizations of the following countries are bound to implemen
18、t this European Standard: Austria, Belgium, Czech Republic, Denmark, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Luxembourg, Malta, Netherlands, Norway, Portugal, Slovakia, Spain, Sweden, Switzerland and the United Kingdom. 1 Scope This standard specifies the characteristics
19、of self-locking serrated shank nuts in FE-PA92HT, silver plated on thread, for aerospace applications. Classification: 1100 MPa 1) / 650 C 2) 2 Normative references ISO 5855-2Aerospace - MJ threads - Part 2 : Limit dimensions for bolts and nuts EN 2399Heat resisting steel FE-PA92-HT - Rm 900 MPa - B
20、ars for forged bolts - D 25 mm - Aerospace series 3) EN 2424Aerospace series - Marking of aerospace products EN 2786Aerospace series - Electrolytic silver plating of fasteners 4) EN 3004Aerospace series - Nuts, self-locking, MJ threads, in heat resisting steel FE-PA2601 (A286) - Classification : 1 1
21、00 MPa (at ambient temperature) / 650 C - Technical specification 4) EN 3064Aerospace series - Shank nuts, self-locking, serrated - Installation procedure EN 3065Aerospace series - Installation holes for self-locking, serrated shank nuts - Design standard 1) The strength class of the bolt concerned
22、which can withstand the load at ambient temperature when tested at 100 % load without cracking or breaking of the nut. 2) Maximum test temperature of the parts 3) Published as AECMA Standard at the date of publication of this standard % Published as AECMA Prestandard at the date of publication of th
23、is standard Licensed Copy: sheffieldun sheffieldun, na, Sat Nov 04 08:36:09 GMT+00:00 2006, Uncontrolled Copy, (c) BSI EN 4121:2003 (E) 4 EN 3639Aerospace series - Heat resisting alloy FE-PA2601 - Softened and cold worked - Wire for forged fasteners - D 15 mm - 900 MPa Rm 1100 MPa 4) 3 Required char
24、acteristics 3.1 Configuration - Dimensions - Tolerances Masses See figure 1 and table 1. Dimensions and tolerances are in millimetres. They apply after silver plating. 3.2 Materials EN 2399 or EN 3639 3.3 Surface treatment EN 2786 on thread only Thickness : -Thread MJ6 : 5 m min. on thread flanks; -
25、Thread MJ5 : shall show complete coverage, without thickness requirement. Coating may extend to counterbore and chamfers at manufacturers option, without thickness requirement. Licensed Copy: sheffieldun sheffieldun, na, Sat Nov 04 08:36:09 GMT+00:00 2006, Uncontrolled Copy, (c) BSI EN 4121:2003 (E)
26、 5 Key 1Values apply before silver plating. Thread surface will be as achieved by normal methods of manufacture 2Form out-of-round in this area to achieve the self-locking requirement (tolling marks permissible) 3Remove sharp edges 0, 1 to 0,4 4Style 2 5(wire) 6Number of teeth J 7Style 1 8Marking NO
27、TE : Configurations, style 1 or style 2, are admitted. Figure 1 Licensed Copy: sheffieldun sheffieldun, na, Sat Nov 04 08:36:09 GMT+00:00 2006, Uncontrolled Copy, (c) BSI EN 4121:2003 (E) 6 Table 1 CDDiameter code Thread AB 1) max.min.max.min. F min. G min. H max. No of teeth J M max. N max. 050MJ5x
28、0,8-4H6H6,310,19,86,86,10,95,123,3177,77,7 060MJ6x1-4H5H7,711,511,28,67,96,563,6209,18,7 070MJ7x1-4H5H8,49,7959,8 080MJ8x1-4H5H9,512,712,4109,3 1,4 8,1072310,410,9 1) Applicable before forming out-of-round Table 1 (concluded) EKWireSUMass kg/1000 Diameter code 1 max.min.max.min.NoPmax.min.max.min.St
29、yle 1 Style 2 05086307,387,156,626,3631,08,7308,6391,711,97 0601028,988,758,177,9121,210,63810,5472,41,62,733,02 0701023,463,84 08010210,2810,059,449,1831,512,53612,4452,92,13,584,21 4 Designation EXAMPLE : Description blockIdentity block NUTEN4121 -080 Number of this standard Thread code (see table
30、 1) NOTE: If necessary, the code I9005 shall be placed between the description block and the identity block. Licensed Copy: sheffieldun sheffieldun, na, Sat Nov 04 08:36:09 GMT+00:00 2006, Uncontrolled Copy, (c) BSI EN 4121:2003 (E) 7 5 Marking EN 2424, style A, as indicated on Figure 1. 6 Technical
31、 specification EN 3004 7 Installation holes EN 3065 8 Installation procedure EN 3064 Licensed Copy: sheffieldun sheffieldun, na, Sat Nov 04 08:36:09 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS EN 4121:2003 BSI 389 Chiswick High Road London W4 4AL BSI British Standards Institution BSI is the indepe
32、ndent national body responsible for preparing British Standards. It presents the UK view on standards in Europe and at the international level. It is incorporated by Royal Charter. Revisions British Standards are updated by amendment or revision. Users of British Standards should make sure that they
33、 possess the latest amendments or editions. It is the constant aim of BSI to improve the quality of our products and services. We would be grateful if anyone finding an inaccuracy or ambiguity while using this British Standard would inform the Secretary of the technical committee responsible, the id
34、entity of which can be found on the inside front cover. Tel: +44 (0)20 8996 9000. Fax: +44 (0)20 8996 7400. BSI offers members an individual updating service called PLUS which ensures that subscribers automatically receive the latest editions of standards. Buying standards Orders for all BSI, intern
35、ational and foreign standards publications should be addressed to Customer Services. Tel: +44 (0)20 8996 9001. Fax: +44 (0)20 8996 7001. Email: ordersbsi-. Standards are also available from the BSI website at http:/www.bsi-. In response to orders for international standards, it is BSI policy to supp
36、ly 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 and international standards through its Library and its Technical Help to Exporters Service. Various B
37、SI electronic information services are also available which give details on all its products and services. Contact the Information Centre. Tel: +44 (0)20 8996 7111. Fax: +44 (0)20 8996 7048. Email: infobsi-. Subscribing members of BSI are kept up to date with standards developments and receive subst
38、antial discounts on the purchase price of standards. For details of these and other benefits contact Membership Administration. Tel: +44 (0)20 8996 7002. Fax: +44 (0)20 8996 7001. Email: membershipbsi-. Information regarding online access to British Standards via British Standards Online can be foun
39、d at http:/www.bsi- Further information about BSI is available on the BSI website at http:/www.bsi-. Copyright Copyright subsists in all BSI publications. BSI also holds the copyright, in the UK, of the publications of the international standardization bodies. Except as permitted under the Copyright
40、, Designs and Patents Act 1988 no extract may be reproduced, stored in a retrieval system or transmitted in any form or by any means electronic, photocopying, recording or otherwise without prior written permission from BSI. This does not preclude the free use, in the course of implementing the stan
41、dard, 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. Details and advice can be obtained from the Copyright & Licensing Manager. Tel: +44 (0)20 8996 7070. Fax: +44 (0)20 8996 7553. Email: copyrightbsi-. Licensed Copy: sheffieldun sheffieldun, na, Sat Nov 04 08:36:09 GMT+00:00 2006, Uncontrolled Copy, (c) BSI
链接地址:https://www.31doc.com/p-3742151.html