1、BRITISH STANDARD AEROSPACE SERIESBS EN 2882:2006Nuts, hexagonal, self-locking, with counterbore and captive washer, in steel, cadmium plated, MoS2 lubricated Classification: 1 100 MPa (at ambient temperature) / 235 CThe European Standard EN 2882:2006 has the status of a British StandardICS 49.030.30
2、g49g50g3g38g50g51g60g44g49g42g3g58g44g55g43g50g56g55g3g37g54g44g3g51g40g53g48g44g54g54g44g50g49g3g40g59g38g40g51g55g3g36g54g3g51g40g53g48g44g55g55g40g39g3g37g60g3g38g50g51g60g53g44g42g43g55g3g47g36g58Licensed Copy: Wang Bin, na, Fri Nov 03 02:23:18 GMT+00:00 2006, Uncontrolled Copy, (c) BSIBS EN 288
3、2:2006This British Standard was published under the authority of the Standards Policy and Strategy Committee on 31 August 2006 BSI 2006ISBN 0 580 49058 0National forewordThis British Standard is the official English language version of EN 2882:2006. The UK participation in its preparation was entrus
4、ted to Technical Committee ACE/12, Aerospace fasteners and fastening systems, which has the responsibility to:A list of organizations represented on this committee can be obtained on request to its secretary.Cross-referencesThe British Standards which implement international or European publications
5、 referred to in this document may be found in the BSI Catalogue under the 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 p
6、rovisions of a contract. Users are responsible for its correct application.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 interpretati
7、on, or proposals for change, and keep UK interests informed; monitor related international and European developments and promulgate them in the UK.Summary of pagesThis document comprises a front cover, an inside front cover, the EN title page, pages 2 to 7 and a back cover.The BSI copyright notice d
8、isplayed in this document indicates when the document was last issued.Amendments issued since publicationAmd. No. Date CommentsLicensed Copy: Wang Bin, na, Fri Nov 03 02:23:18 GMT+00:00 2006, Uncontrolled Copy, (c) BSIEUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 2882 July 2006 ICS 49.030.30
9、English Version Aerospace series Nuts, hexagonal, self-locking, with counterbore and captive washer, in steel, cadmium plated, MoS2 lubricated Classification: 1 100 MPa (at ambient temperature) / 235 C Srie arospatiale Ecrous hexagonaux, freinage interne, avec chambrage et rondelle captive, en acier
10、, cadmis, lubrifis MoS2 Classification : 1 100 MPa ( temprature ambiante) / 235 C Luft-und Raumfahrt Sechskantmuttern, selbstsichernd, mit Aussenkung und Brdelscheibe, aus Stahl, verkadmet, MoS2 geschmiert Klasse: 1 100 MPa (bei Raumtemperatur) / 235 C This European Standard was approved by CEN on 2
11、0 April 2006. 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 standards may be
12、 obtained on application to the Central Secretariat 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 and notified to the Central
13、 Secretariat has the same status as the official versions. CEN members are the national standards bodies of Austria, Belgium, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Polan
14、d, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom. EUROPEAN COMMITTEE FOR STANDARDIZATION COMIT EUROPEN DE NORMALISATION EUROPISCHES KOMITEE FR NORMUNG Management Centre: rue de Stassart, 36 B-1050 Brussels 2006 CEN All rights of exploitation in any form and by
15、any means reserved worldwide for CEN national Members. Ref. No. EN 2882:2006: ELicensed Copy: Wang Bin, na, Fri Nov 03 02:23:18 GMT+00:00 2006, Uncontrolled Copy, (c) BSI2 Contents Page Foreword3 1 Scope 4 2 Normative references 4 3 Required characteristics.5 4 Designation 7 5 Marking .7 6 Technical
16、 specification .7 EN 2882:2006Licensed Copy: Wang Bin, na, Fri Nov 03 02:23:18 GMT+00:00 2006, Uncontrolled Copy, (c) BSI3 Foreword This European Standard (EN 2882:2006) has been prepared by the European Association of Aerospace Manufacturers - Standardization (AECMA-STAN). After enquiries and votes
17、 carried 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, e
18、ither by publication of an identical text or by endorsement, at the latest by January 2007, and conflicting national standards shall be withdrawn at the latest by January 2007. Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. CEN a
19、nd/or CENELEC shall 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, Cyprus, Czech Republic, Denma
20、rk, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and the United Kingdom. EN 2882:2006Licensed Copy: Wang Bin, na, Fri Nov 03 02:23:18 G
21、MT+00:00 2006, Uncontrolled Copy, (c) BSI4 1 Scope This standard specifies characteristics for hexagon nuts, with counterbore and captive washer, with a self-locking feature achieved by forming the upper portion out-of-round, in steel, cadmium plated, MoS2lubricated, classification 1 100 MPa 1)/ 235
22、 C 2)2 Normative references The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. ISO 5855-2, Aerospace
23、 MJ threads Part 2: Limit dimensions for bolts and nuts. ISO 5858, Aerospace Nuts, self-locking, with maximum operating temperature less than or equal to 425 C Procurement specification. ISO 8538, Aerospace Nuts, hexagonal, self-locking, with counterbore and captive washer, with MJ threads, classifi
24、cations: 1 100 MPa (at ambient temperature)/235 C, 1 100 MPa (at ambient temperature)/315 C and 1 100 MPa (at ambient temperature)/425 C Dimensions. ISO 8788, Aerospace Nuts, metric Tolerances of form and position. EN 2133, Aerospace series Cadmium plating of steels with specified tensile strength 1
25、 450 MPa, copper, copper alloys and nickel alloys. EN 2424, Aerospace series Marking of aerospace products. EN 2491, Aerospace series Molybdenum disulphide dry lubricants Coating methods. EN 2543, Aerospace series Steel FE-PL43S Annealed Sheet and strip 0,3 a 2 mm for prevailing torque nuts.3)EN 332
26、9, Aerospace series Steel FE-PL45 Annealead Sheet and strip 0,3 a 2 mm for prevailing torque nuts. 3)EN 3330, Aerospace series Steel FE-PL45 Annealed Bar and wire De 40 mm for prevailing torque nuts. 3)EN 9100, Aerospace series Quality management systems Requirements (based on ISO 9001:2000) and Qua
27、lity systems Model for quality assurance in design, development, production, installation and servicing (based on ISO 9001:1994). EN 9133, Aerospace series Quality management systems Qualification Procedure for aerospace standard parts. 1) Corresponds to strength class of the associated bolt, the 10
28、0 per cent load of which it is able to withstand, when tested at ambient temperature, without breaking or cracking. 2) Maximum temperature that the nut is able to withstand, without permanent alteration of its original characteristics, after ambient temperature has been restored. The maximum tempera
29、ture is conditioned by the cadmium plating. 3) Published as ASD Prestandard at the date of publication of this standard. EN 2882:2006Licensed Copy: Wang Bin, na, Fri Nov 03 02:23:18 GMT+00:00 2006, Uncontrolled Copy, (c) BSI5 3 Required characteristics 3.1 Configuration Dimensions Masses See Figure
30、1 and Table 1. 3.2 Materials Nut : EN 3329 or EN 3330 Washer : EN 2543 or EN 3329 3.3 Surface treatment EN 2133, 5 m minimum on threads and all areas which can be contacted by a 20 mm diameter ball. On all other areas, a continuous cadmium plating shall be present. Nut only: EN 2491, thickness not s
31、pecified. EN 2882:2006Licensed Copy: Wang Bin, na, Fri Nov 03 02:23:18 GMT+00:00 2006, Uncontrolled Copy, (c) BSI6 Break sharp edges 0,1 mm to 0,4 mm Key 1 Washer shall be free to rotate on the nut 2 Form out-of-round in this area to achieve the self-locking torque requirements. Tooling marks accept
32、able. 3 Thread 4 Chamfer, radius or broken edge 5 Marking aThese values, in micrometres, apply before cadmium plating and MoS2lubrication. The values do not apply to threads and sheared edges, the surface texture of which will be as achieved by usual manufacturing methods. Details of form, not state
33、d, are at the manufacturers option. Figure 1 a 1,6 6,3 EN 2882:2006Licensed Copy: Wang Bin, na, Fri Nov 03 02:23:18 GMT+00:00 2006, Uncontrolled Copy, (c) BSI7 Table 1 Dimensions in millimetres E bFbG H J K cL M N dP Diameter code Thread a min. nom.tol. max. max. min. min. max. min. min. min.Mass kg
34、/1 000 max. 030 MJ3 0,5 4H6H 4,2 4 6,7 4,6 3,4 5,2 3,8 1,2 1,6 0,4 040 MJ4 0,7 4H6H 5,3 5 8,4 6,2 4,4 6,4 4,8 0,4 1,5 2,2 0,85 050 MJ5 0,8 4H6H 6,5 6 9,6 7,4 5,5 7,6 5,8 2 2,4 1,15 060 MJ6 1 4H5H 7,6 7 11,1 8,1 6,5 9 6,8 2,3 1,6 070 MJ7 1 4H5H 8,7 8 h12 13,3 9 7,5 11 8 2,7 2,6 080 MJ8 1 4H5H 10,9 10
35、 14,6 9,9 8,5 12 9 3,2 2,7 3,8 100 MJ10 1,25 4H5H 13,2 12 17,2 12 10,5 14,7 11 3,8 7,5 120 MJ12 1,25 4H5H 15,5 14 h13 21 13,8 12,5 18,5 13 0,6 4,5 3 11 These dimensions are in accordance with ISO 8538. Tolerances of form and position shall be in conformity with ISO 8788. Dimensions and tolerances ap
36、ply after cadmium plating but before MoS2lubrication. a In conformity with ISO 5855-2. In the self-locking zone, the tolerances apply before forming out-of-round. b These dimensions apply before forming out-of-round, but finished nuts shall fit a standard socket wrench. Test conditions are quoted in
37、 the technical specification. c Bearing surface diameter of the washer. d Wrench pad engagement. 4 Designation EXAMPLE Description block NUT Identity block EN2882-050 Number of this standard Diameter code (see Table 1) NOTE If necessary, the code I9005 shall be placed between the description block a
38、nd the identity block. 5 Marking EN 2424, style N. See Figure 1. 6 Technical specification ISO 5858 except for: approval of manufacturers: EN 9100; qualification of nuts: EN 9133. EN 2882:2006Licensed Copy: Wang Bin, na, Fri Nov 03 02:23:18 GMT+00:00 2006, Uncontrolled Copy, (c) BSIBS EN 2882:2006BS
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