1、BS EN 3653:2010ICS 49.030.30NO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAWBRITISH STANDARDAerospace series Nuts, anchor, self-locking, floating, self-aligning, one lug, in steel, cadmium plated, MoS2lubricated Classification: 900 MPa (at ambient temperature) / 235 CThis Briti
2、sh Standardwas published under theauthority of the StandardsPolicy and StrategyCommittee on 28 February2010 BSI 2010ISBN 978 0 580 70529 8Amendments/corrigenda issued since publicationDate CommentsBS EN 3653:2010National forewordThis British Standard is the UK implementation of EN 3653:2010.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 3653:2010EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 3653 January 2010 ICS 49.030.30 English Version Aerospace series - Nuts, anchor, self-locking, floa
5、ting, self-aligning, one lug, in steel, cadmium plated, MoS2lubricated - Classification: 900 MPa (at ambient temperature) / 235 C Srie arospatiale - crous river, freinage interne, flottants, orientables, simple patte, en acier, cadmis, lubrifis MoS2- Classification: 900 MPa ( temprature ambiante) /
6、235 C Luft- und Raumfahrt - Annietmuttern, selbstsichernd, schwenkbar, einstellbar, einseitiger Flansch, aus Stahl, verkadmet, MoS2-geschmiert - Klasse : 900 MPa (bei Raumtemperatur) / 235 C This European Standard was approved by CEN on 4 December 2009. CEN members are bound to comply with the CEN/C
7、ENELEC 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 the CEN Management Centre or to
8、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 same status as the official version
9、s. CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slove
10、nia, 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 2010 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN na
11、tional Members. Ref. No. EN 3653:2010: EBS EN 3653:2010EN 3653:2010 (E) 2 Contents Page Foreword 31 Scope 42 Normative references 43 Required characteristics .44 Designation 75 Marking .76 Technical specification .7BS EN 3653:2010EN 3653:2010 (E) 3 Foreword This document (EN 3653:2010) has been prep
12、ared 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 Official Services of the member countr
13、ies 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 July 2010, and conflicting national standards shall be withdrawn at the latest by July 2010. Attention
14、 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 national standards organizations of the
15、following countries are bound to implement this European Standard: Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania,
16、Slovakia, Slovenia, Spain, Sweden, Switzerland and the United Kingdom. BS EN 3653:2010EN 3653:2010 (E) 4 1 Scope This standard specifies the characteristics of one lug, floating, self-aligning anchor nuts with a self-locking feature achieved by forming the upper portion out of round, in steel, cadmi
17、um plated, MoS2lubricated. Classification: 900 MPa1) / 235 C2). 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 documen
18、t (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, Aerospace series Marking of aerospace products EN 2491, Aerospace series Molybdenum disulphide dry lubricants Coating
19、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 and strip 0,3 mm a 2 mm For prevailing torque nuts EN 9100, Quality Management Systems Requirements for Aviation,
20、Space and Defense Organizations EN 9133, Aerospace series Quality management systems Qualification procedure for aerospace standard parts TR 3791, Aerospace series Materials for self-locking nuts, threaded inserts and screw thread inserts of temperature classes 425 C3)ISO 5855-2, Aerospace MJ thread
21、s 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 8788, Aerospace Nuts, metric Tolerances of form and position 3 Required characteristics 3.1 Configuration Dimensions Mass
22、es See Figure 1 and Table 1. 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 origi
23、nal characteristics, 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 3653:2010EN 3653:2010 (E) 5 Dimensions and tolerances are expressed in milli
24、metres and apply after cadmium plating but before MoS2lubrication. 3.2 Materials EN 2542, EN 2543 or TR 3791. 3.3 Surface treatment EN 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 cadmium plating shall be present, p
25、lus EN 2491, thickness not specified. BS EN 3653:2010EN 3653:2010 (E) 6 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 achieved by usualmanufacturing methods. Remove sharp edges 0,1 to 0,4. Detail
26、s of form not stated are at the manufacturers option. Tolerances of form and position shall be conformity with ISO 8788. Key 1 Marking 2 Float included 3 Two holes J 4 Threaded element 5 Form out of round in this area to achieve the self-locking torque requirement. Tolling marks are permitted in thi
27、s area. 6 Thread 7 Convex washer 8 8 min. any direction Figure 1 6,3 3,2 BS EN 3653:2010EN 3653:2010 (E) 7 Table 1 Diameter code Thread a D E F H J K L M Nb Radial float R T Masskg/1 000piecesapprox.min. min.+ 0,20max. max. max. max. P min. max. max050 MJ50,8-4H6H 6,7 8,757,93,5 2,515,2 26,7 8,30,9
28、0,7 3,5 7,2 2,6 060 MJ61-4H5H 7,6 12,74 17 31,7 10,24 7,8 5,7 080 MJ81-4H5H 11 5 3 20,5 33,3 11,8 1,1 0,75 8,4 9,9 aIn accordance with ISO 5855-2. In the self-locking zone, the tolerances apply before forming out-of-round. bIs applicable at the rivet hole location. 4 Designation EXAMPLE Description
29、block NUT Identity block EN3653050 Number of this standard Diameter code (see Table 1) NOTE If necessary the originator code I9005 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, except for: Approval
30、of manufacturers: see EN 9100; Qualification of products: see EN 9133. BS EN3653:2010BSI GroupHeadquarters 389Chiswick High Road,London, W4 4AL, UKTel +44 (0)20 8996 9001Fax +44 (0)20 8996 - British Standards InstitutionBSI is the independent national body responsible for preparing BritishStandards
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