1、BS EN 2865:2009ICS 49.030.30NO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAWBRITISH STANDARDAerospace series Nuts, anchor, self-locking, floating, twolugs, with counterbore,in heat resisting steel,MoS2 lubricated Classification: 1 100MPa (at ambienttemperature) / 315 CThis Brit
2、ish Standardwas published under theauthority of the StandardsPolicy and StrategyCommittee on 31 January2010 BSI 2010ISBN 978 0 580 69809 5Amendments/corrigenda issued since publicationDate CommentsBS EN 2865:2009National forewordThis British Standard is the UK implementation of EN 2865:2009.The UK p
3、articipation 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 contrac
4、t. Users are responsible for its correct application.Compliance with a British Standard cannot confer immunityfrom legal obligations.BS EN 2865:2009EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 2865 November 2009 ICS 49.030.30 English Version Aerospace series - Nuts, anchor, self-locking, flo
5、ating, two lugs, with counterbore, in heat resisting steel, MoS2 lubricated - Classification: 1 100 MPa (at ambient temperature) / 315 C Srie arospatiale - crous river, freinage interne, flottants, double patte, avec chambrage, en acier rsistant chaud, lubrifis MoS2 - Classification : 1 100 MPa ( te
6、mprature ambiante) / 315 C Luft- und Raumfahrt - Annietmuttern, selbstsichernd, bewegli, beiderseitiger Flansch, mit zylindrischer Aussenkung, aus hochwarmfestem Stahl, MoS2-geschmiert - Klasse : 1 100 MPa (bei Raumtemperatur) / 315 C This European Standard was approved by CEN on 17 October 2009. CE
7、N 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 obtained on app
8、lication to 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
9、 has the same 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,
10、 Portugal, Romania, 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
11、means reserved worldwide for CEN national Members. Ref. No. EN 2865:2009: EBS EN 2865:2009EN 2865:2009 (E) 2 Contents Page Foreword 31 Scope 42 Normative references 43 Required characteristics .54 Designation 75 Marking .76 Technical specification .7BS EN 2865:2009EN 2865:2009 (E) 3 Foreword This do
12、cument (EN 2865:2009) 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 has received the approval of the National Associations and the Off
13、icial 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 May 2010, and conflicting national standards shall be withdrawn at
14、the latest by May 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 rights. According to the CEN/CENELEC Internal Regulations, the nationa
15、l 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, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Pol
16、and, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and the United Kingdom. BS EN 2865:2009EN 2865:2009 (E) 4 1 Scope This European Standard specifies the characteristics of two lugs, counterbored floating anchor nuts, with a self-locking feature achieved by forming the upper port
17、ion out-of-round, in heat resisting steel, MoS2lubricated. Classification: 1 100 MPa 1) / 315 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 late
18、st edition of the referenced document (including any amendments) applies. EN 2398, Aerospace series Heat resisting steel FE-PA2601 (X6NiCrTiMoV26-15) Rm 900 MPa Bars for machined bolts D 25 mm EN 2399, Aerospace series Heat resisting steel FE-PA2601 (X4NiCrTiMoV26-15) Rm 900 MPa Bars for forged bolt
19、s D 25 mm EN 2424:2008, Aerospace series Marking of aerospace products EN 2491, Aerospace series Molybdenum disulphide dry lubricants Coating methods EN 3638, Aerospace series Heat resisting alloy FE-PA2601 (X6NiCrTiMoV26-15) Consumable electrode remelted Solution and precipitation treated Sheet, st
20、rip and plate 0,5 mm a 10 mm EN 3639, Aerospace series Heat resisting alloy FE-PA2601 Softened and cold worked Wire for forged fasteners D 15 mm 900 MPa Rm 1 100 MPa 3)EN 3816, Aerospace series Steel FE-PA3601 (X6CrNiTi18-10) Air melted Softened and cold rolled Sheet and strip a 3 mm Rm 800 MPa EN 9
21、100, Quality Management Systems Requirements for Aviation, Space and Defense Organizations EN 9133, Aerospace series Quality management systems Qualification procedure for aerospace standard parts ISO 3209, Aerospace Nuts, anchor, self-locking, floating, two lug, with counterbore, with MJ threads, c
22、lassifications: 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 Nuts, self-locking, with maximum operating te
23、mperature less than or equal to 425 C Procurement specification ISO 8788, Aerospace Nuts, metric Tolerances of form and position 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.
24、 2) Maximum temperature that the nut is able to withstand, without permanent alteration to its original characteristics, after ambient temperature has been restored. The maximum temperature is conditioned by the surface treatment. 3) Published as ASD-STAN Prestandard at the date of publication of th
25、is standard. BS EN 2865:2009EN 2865:2009 (E) 5 TR 3791, Aerospace series Materials for self-locking nuts, threaded inserts and screw thread inserts of temperature classes 425 C 4)3 Required characteristics 3.1 Configuration Dimensions Masses See Figure 1 and Table 1. Dimensions and tolerances are in
26、 conformity with ISO 3209, expressed in millimetres and apply before MoS2lubrication. Form and position tolerances shall be in conformity with ISO 8788. 3.2 Materials Threaded element: EN 2398, EN 2399, EN 3638, EN 3639 or TR 3791. Cage: EN 3638 or EN 3816. 3.3 Surface treatment EN 2491, thickness n
27、ot specified. These values in micrometres apply before surface treatment. The values do not apply to threads and sheared edges the surface texture of which will be achievedby usual manufacturing methods. Remove sharp edges 0,1 to 0,4. Details of form, not stated, are at the manufacturers option. 4)
28、Published as ASD-STAN Technical Report at the date of publication of this standard. 6,3 3,2 BS EN 2865:2009EN 2865:2009 (E) 6 Key 1 Marking 2 Float inclusive 3 Cage 4 Nut element 5 Form out-of-round in this area to achieve the self-locking. Tooling marks are permitted in this area. 6 Thread 7 Bearin
29、g face of the nut 8 Radius or chamfer Figure 1 Alternatives: countersunk rivet holes (when specified by purchaser) may be dimpled or cut countersunk (at manufacturers option). BS EN 2865:2009EN 2865:2009 (E) 7 Table 1 Diameter code Thread aE F GHJbK L M NcP R S T VZ Masskg/1 000piecesapprox.Radial f
30、loat min.min.max. max. max. max. max. min. max. 0,25 min. 030 MJ30,5-4H6H 8,5 17 dd4,6 11 23,24 0,9 4,53 2,5 4,5 4,8 0,5 1,8 040 MJ40,7-4H6H 4,4 2,2 6,2 5,8 5,5 2 050 MJ50,8-4H6H 9,5 19 5,5 2,4 7,3 12 25,2 6,9 6,50,7 2,3 060 MJ61-4H5H 11 22 6,5 2,7 8,7 13,5 29,2 8,1 7,53,5 4,6 3,8 080 MJ81-4H5H 8,5
31、10,9 16 9,9 1,1 9,5 3 5,5 5,7 0,75 7,3 100 MJ101,25-4H5H 13 26 10,5 3 12,9 18 35,2 12 11,5 4,5 3,5 6,6 6,6 10 aIn accordance with ISO 5855-2. In the self-locking zone, the tolerances apply before forming out-of-round. bIs to sharp corners (chamfered) or point of tangency (radiused). cIs applicable a
32、t the rivet hole location. dDiameter code 030 does not have a counterbore. 4 Designation EXAMPLE Description block NUT Identity block EN2865060 Number of this standard Hole code (see Table 2) Diameter code (see Table 1) NOTE If necessary the originator code I9005 shall be placed between the descript
33、ion block and the identity block. Table 2 Option Code Plain rivet holes (hyphen) Countersunk or dimpled 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 EN28
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