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1、BRITISH STANDARD AEROSPACE SERIES BS EN 2264:1996 Nuts, anchor, self-locking, floating, two lug, incremental counterbore, in alloy steel, cadmium plated MoS2 lubricated Classification: 900 MPa (at ambient temperature)/235 C The European Standard EN 2264:1996 has the status of a British Standard ICS
2、49.040.20 Licensed Copy: sheffieldun sheffieldun, na, Fri Nov 03 02:51:38 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS EN 2264:1996 This British Standard, having been prepared under the direction of the Engineering Sector Board, was published under the authority of the Standards Board and comes int
3、o effect on 15 December 1996 BSI 11-1998 The following BSI references relate to the work on this standard: Committee reference ACE/12 Draft for comment 96/703699 DC ISBN 0 580 26609 5 Committees responsible for this British Standard The preparation of this British Standard was entrusted to Technical
4、 Committee ACE/12, Aerospace fasteners and fastening systems, upon which the following bodies were represented: Association of Electronic, Telecommunications and Business Equipment Industries British Industrial Fasteners Federation Ministry of Defence Society of British Aerospace Companies Amendment
5、s issued since publication Amd. No.DateComments Licensed Copy: sheffieldun sheffieldun, na, Fri Nov 03 02:51:38 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS EN 2264:1996 BSI 11-1998i Contents Page Committees responsibleInside front cover National forewordii Foreword2 1Scope3 2Normative references3
6、3Required characteristics3 4Designation5 5Marking5 6Technical specification5 Figure 14 Table 14 List of referencesInside back cover Licensed Copy: sheffieldun sheffieldun, na, Fri Nov 03 02:51:38 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS EN 2264:1996 ii BSI 11-1998 National foreword This British
7、 Standard has been prepared by Technical Committee ACE/12 and is the English language version of EN 2264:1996 Aerospace series Nuts, anchor, self-locking, floating, two-lug, incremental counterbore, in alloy steel, cadmium plated, MoS2 lubricated Classification 900 MPa (at ambient temperature) /235
8、C published by the European Committee for Standardization (CEN). EN 2264:1996 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 necessary provisions of a contract. Users of British Standards a
9、re responsible for their correct application. Compliance with a British Standard does not of itself confer immunity from legal obligations. Cross-references Publication referred toCorresponding British Standard EN 2000:1991BS EN 2000:1992 Quality assurance. EN aerospace products. Approval of the qua
10、lity system of manufacturers EN 2424:1995BS EN 2424:1995 Marking of aerospace products EN 3042:1991BS EN 3042:1992 Quality assurance. EN aerospace products. Qualification procedures ISO 5855-2:1988BS 6293 Aerospace. MJ threads Part 2:1994 Limit dimensions for bolts and nuts ISO 5858:1991BS A 302:199
11、2 Self-locking nuts with maximum operating temperature less than or equal to 425 C. Procurement specification Summary of pages This document comprises a front cover, an inside front cover, pages i and ii, the EN title page, pages 2 to 6, an inside back cover and a back cover. This standard has been
12、updated (see copyright date) and may have had amendments incorporated. This will be indicated in the amendment table on the inside front cover. Licensed Copy: sheffieldun sheffieldun, na, Fri Nov 03 02:51:38 GMT+00:00 2006, Uncontrolled Copy, (c) BSI EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM
13、 EN 2264 August 1996 ICS 49.040.20 Descriptors: Aircraft industry, fastener, nut: fastener, anchor nut, self-locking nut, alloy steel, specification, dimension, dimensional tolerance, surface treatment, designation, marking English version Aerospace series Nuts, anchor, self-locking, floating, two-l
14、ug, incremental counterbore, in alloy steel, cadmium plated, MoS2 lubricated Classification: 900 MPa (at ambient temperature)/235 C Srie arspatiale Ecrous river, freinage interne, flottants, double patte, chambrage trs profond, en acier alli, cadmis, lubrifis MoS2 Classification: 900 MPa ( tempratur
15、e ambiante)/235 C Luft- und Raumfahrt Annietmuttern, selbstsichernd, beweglich, beiderseitiger Flansch, mit unterschiedlich tiefer zylindrischer Aussenkung, aus legiertem Stahl, verkadmet, MoS2-geschmiert Klasse: 900 MPa (bei Raumtemperatur)/235 C This European Standard was approved by CEN on 1996-0
16、6-29. 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 obtaine
17、d 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 Secreta
18、riat 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, Netherlands, Norway, Portugal, Spain, Sweden, Switzerland and United Kingdom. CEN European Committee f
19、or 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. EN 2264:1996 E Licensed Copy: sheffieldun sheffieldun, na, Fri Nov 03 02:51:38 GMT+00:00 2006, Uncontrolled Copy,
20、(c) BSI EN 2264:1996 BSI 11-1998 2 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 Associa
21、tions 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 text or by endorsement, at the latest by February 1997, and conflicting national standard
22、s shall be withdrawn at the latest by February 1997. According to 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, Lux
23、embourg, Netherlands, Norway, Portugal, Spain, Sweden, Switzerland and the United Kingdom. Licensed Copy: sheffieldun sheffieldun, na, Fri Nov 03 02:51:38 GMT+00:00 2006, Uncontrolled Copy, (c) BSI EN 2264:1996 BSI 11-19983 1 Scope This standard specifies the characteristics of self-locking, floatin
24、g, two lug anchor nuts, with incremental counterbore, in alloy steel, cadmium plated, MoS2 lubricated. Classification: 900 MPa1)/235 C2) 2 Normative references This European Standard incorporates by dated or undated reference provisions from other publications. These normative references are cited a
25、t 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 European Standard only when incorporated in it by amendment or revision. For undated references the latest edition of
26、 the publication referred to applies. ISO 5855-2, Aerospace MJ threads Part 2: Limit dimensions for bolts and nuts. ISO 5858, Aerospace Self-locking nuts with maximum operating temperature less than or equal to 425 C Procurement specification. ISO 8788, Aerospace Fasteners Tolerances of form and pos
27、ition for nuts. EN 2000, Aerospace series Quality assurance EN aerospace products Approval of the quality systems of manufacturers. EN 2133, Aerospace series Cadmium plating of steels, with maximum specified tensile strength equal to or less than 1 450 MPa, copper, copper alloys and nickel alloys3).
28、 EN 2424, Aerospace series Marking of aerospace products. EN 2491, Aerospace series Molybdenum disulphide dry lubricants Coating methods3). EN 3042, Aerospace series Quality assurance EN aerospace products Qualification procedure. TR 3791, Aerospace series Materials for all metal self-locking nuts a
29、nd thin wall inserts of temperature classes 425 C4). 3 Required characteristics 3.1 Configuration Dimensions Masses See Figure 1 and Table 1. Dimensions and tolerances are expressed in millimetres and apply after cadmium plating but before lubrication. Details of form not stated are at the manufactu
30、rers option. 3.2 Tolerances of form and position ISO 8788 3.3 Materials TR 3791 3.4 Surface treatments EN 2133, 5 m min. on threads and all surfaces which can be contacted by a 20 mm diameter ball. On all other surfaces, a continuous deposit shall be present. EN 2491, thickness not specified, mandat
31、ory on threads, optional on other surfaces 1) Corresponds to the minimum tensile stress which the nut is able to withstand at ambient temperature without breaking or cracking when tested with a bolt of a higher strength class 2) Maximum temperature that the nut is able to withstand, without permanen
32、t alteration to its original characteristics, after ambient temperature has been restored. The maximum temperature is conditioned by the cadmium plating. 3) Published as AECMA Standard at the date of publication of this standard 4) Published as AECMA Technical Report at the date of publication of th
33、is standard Licensed Copy: sheffieldun sheffieldun, na, Fri Nov 03 02:51:38 GMT+00:00 2006, Uncontrolled Copy, (c) BSI EN 2264:1996 4 BSI 1998 Table 1 Figure 1 Diameter code Threada A Counterbore EFGJbKLMNcPRSTZ Radial float Massd Codemin.min.max.max.max.max.max.min.max.min. 050MJ50,8-4H6H 044 9,519
34、5,27,31225,2 8,5 0,96,532,54,50,5 3,2 06610,53,5 08812,53,7 101014,53,9 060MJ61-4H5H 044 11226,28,713,529,2 9,4 0,97,53,52,54,60,5 3,6 06611,43,9 08813,44,2 101015,44,5 080MJ81-4H5H 044 11228,210,91629,2 11,2 1,19,53,535,50,5 6,9 06613,27,9 08815,28,9 101017,29,9 a In accordance with ISO 5855-2. In
35、the self-locking zone the tolerances apply before forming out-of-round. b Measured at sharp corners (chamfered) or point of tangency (radiused) c Measured at the rivet hole location d Approximate values (kg/1 000 pieces), given for information purposes only Licensed Copy: sheffieldun sheffieldun, na
36、, Fri Nov 03 02:51:38 GMT+00:00 2006, Uncontrolled Copy, (c) BSI EN 2264:1996 BSI 11-19985 4 Designation EXAMPLE: NOTEIf necessary, the code 19005 shall be placed between the description block and the identity block. 5 Marking EN 2424, style N. See Figure 1. 6 Technical specification ISO 5858, excep
37、t for: Approval of manufacturers: see EN 2000; Qualification of products: see EN 3042. Licensed Copy: sheffieldun sheffieldun, na, Fri Nov 03 02:51:38 GMT+00:00 2006, Uncontrolled Copy, (c) BSI 6 blank Licensed Copy: sheffieldun sheffieldun, na, Fri Nov 03 02:51:38 GMT+00:00 2006, Uncontrolled Copy,
38、 (c) BSI BS EN 2264:1996 BSI 11-1998 List of references See national foreword. Licensed Copy: sheffieldun sheffieldun, na, Fri Nov 03 02:51:38 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BSI 389 Chiswick High Road London W4 4AL | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
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