1、 g49g50g3g38g50g51g60g44g49g42g3g58g44g55g43g50g56g55g3g37g54g44g3g51g40g53g48g44g54g54g44g50g49g3g40g59g38g40g51g55g3g36g54g3g51g40g53g48g44g55g55g40g39g3g37g60g3g38g50g51g60g53g44g42g43g55g3g47g36g58resisting steel, MoS2 lubricated Classification: 1 100 MPa (at ambient temperature)/315 CThe Europe
2、an Standard EN 3536:2006 has the status of a British StandardICS 49.030.30Aerospace series Nuts, hexagon, self-locking, in heat BRITISH STANDARDBS EN 3536:2006Incorporating amendment no. 1BS EN 3536:2006This British Standard was published under the authority of the Standards Policy and Strategy Comm
3、ittee on 31 July 2006 BSI 2007ISBN 0 580 48556 0Amendments issued since publicationAmd. No. Date Comments17160 31 May 2007 Insertion of corrected CEN textThis publication does not purport to include all the necessary provisions of a contract. Users are responsible for its correct application. Compli
4、ance with a British Standard cannot confer immunity from legal obligations.National forewordThis British Standard was published by BSI. It is the UK implementation of EN 3536:2006. The UK participation in its preparation was entrusted to Technical Committee ACE/12, Aerospace fasteners and fastening
5、systems.A list of organizations represented on this committee can be obtained on request to its secretary.EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 3536 July 2006 ICS 49.030.30 English Version Aerospace series - Nuts, hexagon, self-locking, in heat resisting steel, MoS2lubricated - Classi
6、fication: 1 100 MPa (at ambient temperature)/315 C Srie arospatiale - Ecrous hexagonaux, freinage interne, en acier rsistant chaud, lubrifis MoS2- Classification: 1 100 MPa ( temprature ambiante)/315 C Luft- und Raumfahrt - Sechskantmuttern, selbstsichernd, aus hochwarmfestem Stahl, MoS2-geschmiert
7、- Klasse: 1 100 MPa (bei Raumtemperatur)/315 C This European Standard was approved by CEN on 9 March 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 alterati
8、on. Up-to-date lists and bibliographical references concerning such national standards may be 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 translati
9、on under the responsibility of a CEN member into its own language and notified to the Central 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, Hunga
10、ry, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom. EUROPEAN COMMITTEE FOR STANDARDIZATION COMIT EUROPEN DE NORMALISATION EUROPISCHES KOMITEE FR NORMUNG Management Centre
11、: rue de Stassart, 36 B-1050 Brussels 2006 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN 3536:2006: E2 Contents Page Foreword3 1 Scope 4 2 Normative references 4 3 Required characteristics.5 4 Designation 7 5 Marking .7 6 Technic
12、al specification .7 EN 3536:20063 Foreword This European Standard (EN 3536:2006) has been prepared by the AeroSpace and Defense Industries Asso-ciation of Europe - Standardization (ASD-STAN). After enquiries and votes carried out in accordance with the rules of this Association, this Standard has re
13、-ceived 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 Januar
14、y 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 and/or CENELEC shall not be held responsible for identifying any or all such patent r
15、ights. 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, Den-mark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, La
16、tvia, Lithuania, Luxem-bourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzer-land and the United Kingdom. EN 3536:20064 1 Scope This standard specifies characteristics of self-locking hexagonal nuts, with flange, in heat resisting steel, MoS2lubrica
17、ted. Classification: 1 100 MPa1)/ 315 C2). 2 Normative references The following referenced documents are indispensable for the application of this document. For dated refer-ences, only the edition cited applies. For undated references, the latest edition of the referenced document (including any ame
18、ndments) applies. EN 2000, Aerospace series Quality assurance EN aerospace products Approval of the quality system of manufacturers EN 2424, Aerospace series Marking of aerospace products EN 2491, Aerospace series Molybdenum disulphide dry lubricants Coating methods EN 9133, Aerospace series Quality
19、 management systems Qualification procedure for aerospace stan-dard parts 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 7995, Aerospace Nu
20、ts, hexagonal, self-locking, with MJ threads, classifications: 1 100 MPa (at ambi-ent temperature)/315 C and 1 100 MPa (at ambient temperature/425 C Dimensions ISO 8788 Aerospace Fasteners Tolerances of form and position TR 3791, Aerospace series Materials for all metal self-locking nuts and thin wa
21、ll insert of temperature classes 425 C3)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 permanent
22、alteration to its original characteristics, after ambient temperature has been restored. The maximum temperature is conditioned by the cadmium plating. 3) Published ASD Technical Report at the date of publication of this standard. EN 3536:20065 3 Required characteristics 3.1 Configuration Dimensions
23、 Masses See Figure 1 and Table 1. Dimensions and tolerances are: in conformity with ISO 7995, expressed in millimetres and apply before MoS2lubricating. Details of form not stated are at the manufacturers option. 3.2 Tolerances of form and position See ISO 8788. 3.3 Materials See TR 3791. 3.4 Surfac
24、e treatments EN 2491, thickness not specified. EN 3536:20066 a Remove sharp edges 0,1 to 0,4 Key 1 Marking 2 90 to 120 3 0 to 50 4 Form out-of-round in this area to achieve the self-locking torque requirementb5 Thread 6 Chamfer, radius or broken edge aThese values in micrometres apply before surface
25、 treatment. They do not apply to threads and sheared edges the surface texture of which will be as achieved by usual manufacturing methods. bTooling marks are permitted in this area. cAll forms of entry (chamfer or radius) are permissible within these limiting dimensions. Figure 1 Table 1 EbFbG H K
26、M NcQ Diameter code Threadamin. max. max. min. min. min. max. min. Massd030 MJ3x0,5-4H6H 4,2 4 6 3 5,3 0,4 1,2 3,8 3,2 0,35 040 MJ4x0,7-4H6H 5,3 5 7,4 4 6,7 0,5 1,5 4,8 4,2 0,7 050 MJ5x0,8-4H6H 6,5 6 9,1 5 8,3 0,6 2 5,8 5,2 1,05 060 MJ6x1-4H5H 7,6 7 10,6 5,4 9,8 0,7 2,3 7,1 6,3 1,5 070 MJ7x1-4H5H 8,
27、7 8 h12 12,1 6,3 11,3 0,8 2,7 8,1 7,3 2,45 080 MJ8x1-4H5H 10,9 10 13,6 7,2 12,8 0,9 3,2 9,1 8,3 3,6 100 MJ10x1,25-4H5H 13,2 12 16,8 9 15,8 1,1 3,8 11,1 10,3 6,25 120 MJ12x1,25-4H5H 15,5 14 19,9 10,8 18,8 1,4 4,5 13,5 12,3 10,35 140 MJ14x1,5-4H5H 17,9 16 h13 23 12,6 21,9 1,7 5 15,1 14,3 13,2 aIn acco
28、rdance with ISO 5855-2. In the self-locking zone the tolerances apply before forming out-of-round. bThese dimensions apply before forming out-of-round, but finished nuts shall fit a standard socket wrench. cWrench pad engagement dApproximate values (kg/1 000 pieces), given for information purposes o
29、nly EN 3536:20067 4 Designation EXAMPLE Description block Identity block NUT EN3536-050 Number of this standard Diameter code (see Table 1) NOTE If necessary, the code I9005 shall be placed between the description block and the identity block. 5 Marking EN 2424, style N. See Figure 1. 6 Technical sp
30、ecification ISO 5858, except for: Approval of manufacturers: EN 2000; Qualification of products: EN 9133. EN 3536:2006BS EN BSI389 Chiswick High RoadLondonW4 4AL3536:2006BSI British Standards InstitutionBSI is the independent national body responsible for preparing British Standards. It presents the
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