1、STD.BS1 BS EN 29Li7-ENGL 1997 Lb2LibbS O5Bb59b 44T BRITISH STANDARD AEROSPACE SERIES Washers, wire locking, in corrosion resisting steel, passivated The European Standard EN 2949 : 1996 has the status of a British standard ICs 43.030.99 BS EN 2949 : 1997 NO COPYING WITHOUT BSI PERMISSION EXCEPT AS P
2、ERMITTED BY COPYRIGHT LAW - STD-BSI BS EN-2949-ENGL 1997 lb24bb9 05b597 38b BS EN 2949 : 1997 Committees responsible for this British Standard The preparaion of this British Standad was entrusted to Technical Committee ACW12, Aerospace astenem and fastening systems, upon which the following bodies w
3、ere represente3 Association of Eiectronics, Telecommunidons and Business Equipment Industries British Industriai Fasteners Federation Ministry of Defence Society of British Aerospace Companies This British Standard, having been prepared under the direction of the Engineering Sector Board, was publis
4、hed under the authority of the Standars Board and comes into effect on 16 February 1997 Q BSI 1997 Amendments issued since publication The foiowing BSI references reiat to the work on this standard Committee reference ACWlZ Draft for comment Yi6306 DC I ISBN O 080 27147 1 STD.BS1 BS EN 27V7-ENGL L77
5、7 W Lb29bb7 058b578 212 m BS EN 2949 : 1997 Contents page Commiaees responsibe Inside ront cover National foreword ii Foreword 2 Specification 2 Nomativereferences 4 Designation 6 Marking 1 scope 3 FkqUirecl- * cs 6 Qualityassurance 6 * m * O BSI 1997 i BS EN 2949 : 1997 National foreword This Briti
6、sh Standard has been prepared by Technical Committee ACE42 and is the Engiish ianguage version of EN 2949 : 1996Aenxpam series - Washers, Uuire locking, in COrrOS20n wsistirzg steel, pussivatai, published by the European Commim for standardization (CEN). EN 2949 : 1996 was produced as a result of in
7、tedonai discussions in which the United Kingdom took an adive part. Cross-references EN Zoo0 : 1991 EN=: 1995 Compliance with a British Standard does not of itself confer immunity from legd obligations. Publication referred to Corresponding British Standard ES EN 2000 : 1992 Quaitg assumnce - EN mqm
8、e pralucts -Approval of the quaity system of manufacturers Bs EN 2424 : 1995 Marlcing of mspace pmdwts Summary of pages This document comprises a front cover, an inside front coverl pages i and ii, the EN title page, pages 2 to 6, an inside back cover and a back cover. 0 BSI 1997 ii EUROPEAN STANDAR
9、D NORME EUROPEENNE EUROPISCHE NORM EN 2949 Octoer 1996 ICs 49.040.N) Desaiptors: aircraft industry, attaching lug, anchorage, corrosion resistant steel, specification, dimension, dimensional tolerance. dsrinatbn English version Aerospace series - Washers, wire locking, in corrosion resisting steel,
10、passivated Srie arorpatidc - P8ttes d“tcrage, en acier rCsistant la corrosion, pssives Luft- und Raunfahrt - Sicherungsbleche, aus korrosionsesthdigen Stahl, passiviert This Europan Standard was approved by CEN on 1996-08-04. CEN Rcnkrs are bound to conply with the CEN/CENELEC Interml Regulations wh
11、ich-stipulate the conditiono for giving this European Standard the status of 8 nrtianrl rtdrd without any alteration. Up-to-date lists and bibliographieal references concerning such natimal stards may be obtained on application to the Central Secretariat or to my CEN nanikr. The Europcan Standards e
12、xist in three official verrions English, French, Gemmn). A version in any other Longuage niadc by translation under the responsibility of a CEN member into its own language and notified to the Central Secretariat has the sane status as the official versions. CEN nmikrs are the national standards bod
13、;es of Austria, Belgiun, Dennark, Finhnd, France, GCrmiiny, Greece, Icdd, Ireland, Italy, LuxaRibourg, Netherlands, Mornay, Portugal. Spain, Sweden, Switzerland and United Kingdom. CEN European Conittn for Standiirdizetion Comit Europen de Nonnilis8tion Europlisches Komitee fr Normung Central Secret
14、ariat: M de Stirurt,36 B-1050 nucls 0 1996 Copyright reserved to CEN members Ref. No. EN 2949:1996 E Page 2 EN 2949:1996 Foreword This European Standard has been prepared by the European Association of Aerospace Manufacturers (AECMA) . After inquiries and votes carried out in accordance with the rul
15、es 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 by publication of an identical te
16、xt or by endorsement, at the latest by April 1997, and conflicting national standards shall be withdrawn at the latest by April 1997. - According to the CENKENELEC Internal Regulations, the national standards organizations of the following countries are bound to implement this European Standard: Aus
17、tria, Belgium, Denmark, Finland, France, Germany, Greece, Iceland, Ireland, Italy, Luxembourg, Netherlands, Norway, Portugal, Spain, Sweden, Switzerland and the United Kingdom. STD-BSI BS EN 27Li7-NGL 1797 lbjLibb7 058bb02 573 Page 3 EN 2949 : 1996 1 scope This standard specifm the characteristics o
18、f wire locking washers, in corrosion resisting steel, passivm, for aerospace applications. 2 Normative references This European Standard incorporates by dated or undated reference provisions from other publiations. These normative references are cited at the appropriate phces in the text and the pub
19、lications are listed hereafter. For dated references, subsequent amendments to or revisions of any of these publications appy to this European Standard only when incorporated in it by amendment or revision. For undated references the hest edition of the publication referred to applies. EN 2000 EN 24
20、24 EN 2463 EN 2516 Aerospace series - Qual assurance - EN aerospace products - Approval of the quality system of manufacturen Aerospace series - Marking of aerospace products Steel =-PA13 - Softened - Sheets, strips and plates 0,5 mm 5 a S 20 mm - Aerospace series 1) Aerospace series - Passivation o
21、f corrosion resistant steeis and decontamination of nickel base alloys 3 Required characteristics 3.1 Configuration - mons - MWm See figure 1 and table 1. Dimensions and tolerances are expressed in millimetres and apply after surface treatment. 3.2 Metetid EN 2463 3.3 surf8cetmatmem EN 2516 1) Publi
22、shed as AECMA Standard at the date of publication of this standard STD-BSI BS EN 2949-ENGL 1997 m 1b24bb9 058bb03 40T m Page 4 EN 2949 : 1996 Values in micrometres apply prior to surface treatment. Remove sharp edges 0,l to 0,2 Radius 3 10.25 2 o“ 2L 1 10.1 Figure 1 Table 1 6 uaiityassurance EN 2000
23、 DesciipaOCr block WIRE LOCK WASHER * * rn Identity block EN2949480 STD.SI BS-EN 27V7-ENGL L7 Lb24bb 058bb04 34b Page 5 EN 2949 : 1996 4 edgnaton EXAMPLE : NOTE : If necessary, the code 19005 shall be placed between the description block and the idemitv Mock. 5 Mrrklng M 2424, style G STD-BSI BS EN
24、2949-ENGL 1997 W 1b2LibbS 058bbD5 282 BS EN 2949 : 1997 List of references see national foreword. Q MI 1997 BS EN 2949 : 1997 BSI 389ChiswickHighRoad London w4 4AL BSI - British Standards Institution BSI is the independent national body responsible for preparing British Standards. It presents the UK
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