BS EN 2949-1997 Washers wire locking in corrosion resisting steel passivated《钝化耐腐蚀钢线锁紧垫圈》.pdf

1、BRITISH STANDARD AEROSPACE SERIES BS EN 2949:1997 Washers, wire locking, in corrosion resisting steel, passivated The European Standard EN2949:1996 has the status of a British Standard ICS43.030.99BS EN 2949:1997 This British Standard, having been prepared under the direction of the Engineering Sect

2、or Board, was published under the authority of the Standards Board and comes intoeffect on 15 February1997 BSI12-1998 The following BSI references relate to the work on this standard: Committee reference ACE/12 Draft for comment88/76306 DC ISBN0580271471 Committees responsible for this British Stand

3、ard The preparation of this British Standard was entrusted to Technical Committee ACE/12, Aerospace fasteners and fastening systems, upon which the following bodies were represented: Association of Electronics, Telecommunications and Business Equipment Industries British Industrial Fasteners Federat

4、ion Ministry of Defence Society of British Aerospace Companies Amendments issued since publication Amd. No. Date CommentsBS EN 2949:1997 BSI 12-1998 i Contents Page Committees responsible Inside front cover National foreword ii Foreword 2 1 Scope 3 2 Normative references 3 3 Required characteristics

5、 3 4 Designation 5 5 Marking 5 6 Quality assurance 5 Figure 1 4 Table 1 4 List of references Inside back coverBS EN 2949:1997 ii BSI 12-1998 National foreword This British Standard has been prepared by Technical Committee ACE/12 and is the English language version of EN2949:1996 Aerospace series Was

6、hers, wire locking, in corrosion resisting steel, passivated, published by the European Committee for Standardization (CEN). EN2949:1996 was produced as a result of international discussions in which the United Kingdom took an active part. A British Standard does not purport to include all the neces

7、sary provisions of a contract. Users of British Standards are responsible for their correct application. Compliance with a British Standard does not of itself confer immunity from legal obligations. Cross-references Publication referred to Corresponding British Standard EN2000:1991 BS EN 2000:1992 Q

8、uality assurance EN aerospace products Approval of the quality system of manufacturers EN2424:1995 BS EN2424:1995 Marking of aerospace products Summary of pages This document comprises a front cover, an inside front cover, pages i and ii, theEN title page, pages2 to6, an inside back cover and a back

9、 cover. This standard has been updated (see copyright date) and may have had amendments incorporated. This will be indicated in the amendment table on theinside front cover.EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN2949 October1996 ICS49.040.20 Descriptors: Aircraft industry, attaching lug

10、, anchorage, corrosion resistant steel, specification, dimension, dimensional tolerance, designation English version Aerospace series Washers, wire locking, in corrosionresisting steel, passivated Srie arospatiale Pattes dancrage, en acier rsistant la corrosion, passives Luft und Raumfahrt Sicherung

11、sbleche, aus korrosionsbestndigem Stahl, passiviert This European Standard was approved by CEN on1996-08-04. 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 altera

12、tion. Up-to-date lists and bibliographical references concerning such national standards may be obtained on application to the Central Secretariat or to any CEN member. The European Standards exist in three official versions (English, French, German). A version in any other language made by translat

13、ion under the responsibility of a CEN member into its own language and notified to the Central Secretariat has the same status as the official versions. CEN members are the national standards bodies of Austria, Belgium, Denmark, Finland, France, Germany, Greece, Iceland, Ireland, Italy, Luxembourg,

14、Netherlands, Norway, Portugal, Spain, Sweden, Switzerland and United Kingdom. CEN European Committee for Standardization Comit Europen de Normalisation Europisches Komitee fr Normung Central Secretariat: rue de Stassart 36, B-1050 Brussels 1996 Copyright reserved to CEN members Ref. No. EN2949:1996

15、EEN 2949:1996 2 BSI 12-1998 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 rules of this Association, this Standard has received the approval of the National Associations a

16、nd 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 text or by endorsement, at the latest by April1997, and conflicting national standards shall be

17、withdrawn at the latest by April1997. According to the CEN/CENELEC Internal Regulations, the national standards organizations of the following countries are bound to implement this European Standard: Austria, Belgium, Denmark, Finland, France, Germany, Greece, Iceland, Ireland, Italy, Luxembourg, Ne

18、therlands, Norway, Portugal, Spain, Sweden, Switzerland and the United Kingdom.EN 2949:1996 BSI 12-1998 3 1 Scope This standard specifies the characteristics of wire locking washers, in corrosion resisting steel, passivated, for aerospace applications. 2 Normative references This European Standard i

19、ncorporates by dated or undated reference provisions from other publications. These normative references are cited at the appropriate places in the text and the publications are listed hereafter. For dated references, subsequent amendments to or revisions of any of these publications apply to this E

20、uropean Standard only when incorporated in it by amendment or revision. For undated references the latest edition of the publication referred to applies. EN2000, Aerospace series Quality assurance ENaerospace products Approval of the quality system of manufacturers. EN2424, Aerospace series Marking

21、of aerospace products. EN2463, Steel FE-PA13 Softened Sheets, strips and plates0,5mm # a # 20mm Aerospace series 1) . EN2516, Aerospace series Passivation of corrosion resistant steels and decontamination of nickel base alloys 1) . 3 Required characteristics 3.1 Configuration Dimensions Masses SeeFi

22、gure1 and Table 1. Dimensions and tolerances are expressed in millimetres and apply after surface treatment. 3.2 Material EN2463 3.3 Surface treatment EN2516 1) Published as AECMA Standard at the date of publication of this standardEN 2949:1996 4 BSI 12-1998 Table 1 Figure1 Diameter code B C L R Mas

23、s a 0,25 0,25 0,25 030 3,2 3 7 3 0,46 040 4,3 4 8 4 0,61 050 5,3 4,5 8,5 4,5 0,67 060 6,4 5,5 9,5 5,5 0,86 080 8,4 7,5 11,5 7,5 1,36 100 10,5 8 12 8 1,50 120 12,5 9,5 13,5 9,5 1,72 140 14,5 10,5 14,5 10,5 1,90 a Approximate values (kg/1000 pieces), calculated on the basis of7,85 kg/dm 3 , for inform

24、ation purposes only+ 0,2 0EN 2949:1996 BSI 12-1998 5 4 Designation EXAMPLE: NOTEIf necessary, the code19005 shall be placed between the description block and the identity block. 5 Marking EN2424, style G 6 Quality assurance EN20006 blankBS EN 2949:1997 BSI 12-1998 List of references See national for

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