1、BS EN 2862:2009ICS 49.030.30NO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAWBRITISH STANDARDAerospace series Nuts, anchor,self-locking, fixed,90 corner, withcounterbore, in alloysteel, cadmium plated,MoS2 lubricated Classification : 1 100MPa (at ambienttemperature) / 235 CThis
2、British Standardwas published under theauthority of the StandardsPolicy and StrategyCommittee on 31 January2010 BSI 2010ISBN 978 0 580 70134 4Amendments/corrigenda issued since publicationDate CommentsBS EN 2862:2009National forewordThis British Standard is the UK implementation of EN 2862:2009.The
3、UK participation in its preparation was entrusted to TechnicalCommittee ACE/12, Aerospace fasteners and fastening systems.A list of organizations represented on this committee can be obtained onrequest to its secretary.This publication does not purport to include all the necessary provisionsof a con
4、tract. Users are responsible for its correct application.Compliance with a British Standard cannot confer immunityfrom legal obligations.BS EN 2862:2009EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 2862 December 2009 ICS 49.030.30 English Version Aerospace series - Nuts, anchor, self-locking,
5、 fixed, 90 corner, with counterbore, in alloy steel, cadmium plated, MoS2lubricated - Classification : 1 100 MPa (at ambient temperature) / 235 C Srie arospatiale - crous river, freinage interne, fixes, dangle 90, avec chambrage, en acier alli, cadmis, lubrifis MoS2- Classification : 1 100 MPa ( tem
6、prature ambiante) / 235 C Luft- und Raumfahrt - Annietmuttern, selbstsichernd, 90 Eckflansch, mit zylindrischer Aussenkung, aus legiertem Stahl, verkadmet, MoS2-geschmiert - Klasse : 1 100 MPa (bei Raumtemperatur / 235 C This European Standard was approved by CEN on 29 September 2009. CEN members ar
7、e 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 obtained on application to
8、the CEN Management Centre 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 CEN Management Centre has the sam
9、e status as the official versions. CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, R
10、omania, Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom. EUROPEAN COMMITTEE FOR STANDARDIZATION COMIT EUROPEN DE NORMALISATION EUROPISCHES KOMITEE FR NORMUNG Management Centre: Avenue Marnix 17, B-1000 Brussels 2009 CEN All rights of exploitation in any form and by any means reserv
11、ed worldwide for CEN national Members. Ref. No. EN 2862:2009: EBS EN 2862:2009EN 2862:2009 (E) 2 Contents Page Foreword 31 Scope 42 Normative references 43 Required characteristics .53.1 Configuration Dimensions Masses 53.2 Materials .53.3 Surface treatment 54 Designation 75 Marking .76 Technical sp
12、ecification .7BS EN 2862:2009EN 2862:2009 (E) 3 Foreword This document (EN 2862:2009) has been prepared by the Aerospace and Defence Industries Association of Europe - Standardization (ASD-STAN). After enquiries and votes carried out in accordance with the rules of this Association, this Standard ha
13、s received the approval of the National Associations and the Official Services of the member countries of ASD, 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 Jun
14、e 2010, and conflicting national standards shall be withdrawn at the latest by June 2010. Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. CEN and/or CENELEC shall not be held responsible for identifying any or all such patent righ
15、ts. According to the CEN/CENELEC Internal Regulations, the national standards organizations of the following countries are bound to implement this European Standard: Austria, Belgium, Bulgaria, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Ita
16、ly, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and the United Kingdom. BS EN 2862:2009EN 2862:2009 (E) 4 1 Scope This European Standard specifies the characteristics of 90 corner, counterbored, fixed, anchor nu
17、ts, with a self-locking feature achieved by forming the upper portion out-of-round, in alloy steel, cadmium plated, MoS2lubricated. Classification: 1 100 MPa 1) / 235 C. 2)2 Normative references The following referenced documents are indispensable for the application of this document. For dated refe
18、rences, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. EN 2133, Aerospace series Cadmium plating of steels with specified tensile strength 1 450 MPa, copper, copper alloys and nickel alloys EN 2424:2008, Aeros
19、pace series Marking of aerospace products EN 2491, Aerospace series Molybdenum disulphide dry lubricants Coating methods EN 2542, Aerospace series Steel FE-PL1502 (25CrMo4) Annealed Bar and wire De 40 mm For prevailing torque nuts EN 2543, Aerospace series Steel FE-PL1502 (25CrMo4) Annealed Sheet an
20、d strip 0,3 a 2 mm For prevailing torque nuts EN 9100, Quality Management Systems Requirements for Aviation, Space and Defense Organizations EN 9133, Aerospace series Quality management systems Qualification procedure for aerospace standard parts ISO 3221, Aerospace Nuts, anchor, self-locking, fixed
21、, 90 corner, with counterbore, with MJ threads, classifications: 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 5855-2, Aerospace MJ threads Part 2: Limit dimensions for bolts and nuts ISO 5858, Aerospace
22、 Nuts, self-locking, with maximum operating temperature less than or equal to 425 C Procurement specification ISO 8788, Aerospace Nuts, metric Tolerances of form and position TR 3791, Aerospace series Materials for self-locking nuts, threaded inserts and screw thread inserts of temperature classes 4
23、25 C 3) 1) Corresponds to strength class of the associated bolt, the 100 % 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 to its original characteristics,
24、after ambient temperature has been restored. The maximum temperature is conditioned by the surface treatment. 3) Published as ASD-STAN Technical Report at the date of publication of this standard. BS EN 2862:2009EN 2862:2009 (E) 5 3 Required characteristics 3.1 Configuration Dimensions Masses See Fi
25、gure 1 and Table 1. Dimensions and tolerances are in conformity with ISO 3221, expressed in millimetres and apply after surface treatment but before MoS2lubrication. Form and position tolerances shall be in conformity with ISO 8788. 3.2 Materials EN 2542, EN 2543 or TR 3791. 3.3 Surface treatment EN
26、 2133, 5 m minimum 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, plus EN 2491, thickness not specified. BS EN 2862:2009EN 2862:2009 (E) 6 These values in micrometres apply before surface treatment. They do no
27、t apply tothreads and sheared edges the surface texture of which will be as achieved by usualmanufacturing methods. Remove sharp edges 0,1 to 0,4. Key 1 Marking 2 Form out-of-round in this area to achieve self-locking. Tooling marks are permitted in this area. 3 Thread 4 Radius or chamfer 5 Seating
28、plane Figure 1 Table 1 Diameter code Thread a E F G H Jb K L M Nc R S V Mass kg/1 000piecesapprox. min. min. max. max. max. max. max. 0,25 030 MJ30,5-4H6H 6 8,5 d d4,6 3 11,7 3,2 1 2,5 2,5 4,80,5 040 MJ40,7-4H6H 8,5 12 4,4 2,2 6,2 4 15,7 5,8 3 1,1 050 MJ50,8-4H6H 9,5 13,4 5,5 2,4 7,3 4,5 17,2 6,9 1,
29、4 060 MJ61-4H5H 11 15,6 6,5 2,7 8,7 5 19,7 8,1 1,2 3,5 2,2 080 MJ81-4H5H 8,5 10,9 6,5 21,2 9,9 1,5 3 5,7 4,6 100 MJ101,25-4H5H 13 18,4 10,5 3 12,9 8,1 25,8 12 1,6 4,5 3,5 6,6 7,8 aIn accordance with ISO 5855-2. In the self-locking zone, the tolerances apply before forming out-of-round. bIs to sharp
30、corners (chamfered) or point of tangency (radiused). cIs applicable at the rivet hole location. dDiameter code 030 does not have a counterbore. 6,3 3,2 Alternatives: countersunk rivet holes (when specified by purchaser) may be dimpled or cut countersunk (at manufacturers option). BS EN 2862:2009EN 2
31、862:2009 (E) 7 4 Designation EXAMPLE Description block NUT Identity block EN2862060 Number of this standard Code (see Table 2) Diameter code (see Table 1) NOTE If necessary the originator code I9005 should be placed between the description block and the identity block. Table 2 Option Code Plain rive
32、t holes (hyphen) Dimpled or countersunk rivet holes K 5 Marking EN 2424:2008, style N. See Figure 1. 6 Technical specification ISO 5858 except for: Approval of manufacturers: see EN 9100; Qualification of products: see EN 9133. BS EN2862:2009BSI GroupHeadquarters 389Chiswick High Road,London, W4 4AL
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