1、BS EN 3834:2010ICS 49.030.30NO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAWBRITISH STANDARDAerospace series Nuts, anchor, self-locking, floating, two lug, incremental counterbore, in corrosion resisting steel, MoS2lubricated Classification: 900 MPa (at ambient temperature) 315
2、 CThis British Standardwas published under theauthority of the StandardsPolicy and StrategyCommittee on 28 February2010 BSI 2010ISBN 978 0 580 70526 7Amendments/corrigenda issued since publicationDate CommentsBS EN 3834:2010National forewordThis British Standard is the UK implementation of EN 3834:2
3、010.The 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 provisions
4、of a contract. Users are responsible for its correct application.Compliance with a British Standard cannot confer immunityfrom legal obligations.BS EN 3834:2010EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 3834 January 2010 ICS 49.030.30 English Version Aerospace series - Nuts, anchor, self-l
5、ocking, floating, two lug, incremental counterbore, in corrosion resisting steel, MoS2lubricated - Classification: 900 MPa (at ambient temperature) / 315 C Srie arospatiale - crous river, freinage interne, flottants, double patte, chambrage trs profond, en acier rsistant la corrosion, lubrifis MoS2-
6、 Classification : 900 MPa ( temprature ambiante) / 315 C Luft- und Raumfahrt - Annietmuttern, selbstsichernd, beweglich, beiderseitiger Flansch, mit unterschiedlich tiefer zylindrischer Aussenkung, aus korrosionsbestndigem Stahl, MoS2-geschmiert - Klasse: 900 MPa (bei Raumtemperatur) / 315 C This Eu
7、ropean Standard was approved by CEN on 21 November 2009. 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 reference
8、s concerning such national standards may be obtained on application 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
9、 its own language and notified to the CEN Management Centre has the same status as the official versions. 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
10、, 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: Avenue Marnix 17, B-1000
11、Brussels 2010 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN 3834:2010: EBS EN 3834:2010EN 3834:2010 (E) 2 Contents Page Foreword 31 Scope 42 Normative references 43 Required characteristics .54 Designation 75 Marking .86 Technica
12、l specification .8BS EN 3834:2010EN 3834:2010 (E) 3 Foreword This document (EN 3834:2010) 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 Standar
13、d has 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
14、 July 2010, and conflicting national standards shall be withdrawn at the latest by July 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
15、rights. 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, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland,
16、 Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and the United Kingdom. BS EN 3834:2010EN 3834:2010 (E) 4 1 Scope This standard specifies the characteristics of self-locking, floating, two lug ancho
17、r nuts, with incremental counterbore, in corrosion resisting steel, MoS2lubricated. Classification: 900 MPa1) / 315 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
18、references, the latest edition of the referenced document (including any amendments) applies. EN 2424, Aerospace series Marking of aerospace products EN 2491, Aerospace series Molybdenum disulphide dry lubricants Coating methods EN 9100, Quality Management Systems Requirements for Aviation, Space an
19、d 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 threads Part 2
20、: 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 1) Corresponds to the minimum tensile stress which the nut is able t
21、o 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 alteration to its original characteristics, after ambient temperature has been restored. The maximum tempera
22、ture is conditioned by the MoS2lubricant. 3) Published as ASD-STAN Technical Report at the date of publication of this standard. BS EN 3834:2010EN 3834:2010 (E) 5 3 Required characteristics 3.1 Configuration Dimensions Masses See Figure 1 and Table 1. Dimensions and tolerances are expressed in milli
23、metres and apply before MoS2lubrication. Details of form not stated are at the manufacturers option. 3.2 Tolerances of form and position ISO 8788. 3.3 Materials TR 3791. 3.4 Surface treatment EN 2491, thickness not specified. BS EN 3834:2010EN 3834:2010 (E) 6 These values in micrometres apply before
24、 surface treatment. They do not apply tothreads and sheared edges the surface texture of which will be as achieved by usual manufacturing methods. Remove sharp edges 0,1 to 0,4. Key 1 Marking 2 Float inclusive 3 Cage 4 Threaded element 5 Form out-of-round in this area to achieve the self-locking tor
25、que requirement. Tooling marks are permitted in this area. 6 Thread 7 Radius or chamfer Figure 1 6,3 3,2 BS EN 3834:2010EN 3834:2010 (E) 7 Table 1 Diameter code Thread aA E F G JbK L M NcP R S T Z MassdCounterbore Radialfloat Code min. min. max. max. max. max. max. min. max. min. 050 MJ5x0,8-4H6H 04
26、 4 9,5 19 5,2 7,3 12 25,28,5 0,9 6,5 3 2,5 4,5 0,5 3,2 06 6 10,5 3,5 08 8 12,5 3,7 10 10 14,5 3,9 060 MJ6x1-4H5H 04 4 11 22 6,2 8,7 13,5 29,29,4 0,9 7,5 3,5 2,5 4,6 0,5 3,6 06 6 11,4 3,9 08 8 13,4 4,2 10 10 15,4 4,5 080 MJ8x1-4H5H 04 4 11 22 8,2 10,9 16 29,211,2 1,1 9,5 3,5 35,5 0,5 6,9 06 6 13,2 7,
27、9 08 8 15,2 8,9 10 10 17,2 9,9 aIn accordance with ISO 5855-2. In the self-locking zone, the tolerances apply before forming out-of-round. bMeasured at sharp corners (chamfered) or point of tangency (radiused). cMeasured at the rivet hole location. dApproximate values (kg/1 000 pieces), calculated o
28、n the basis of 7,85 kg/dm3, given for information purposes only. 4 Designation EXAMPLE Description block NUT Identity block EN3834-08006 Number of this standard Diameter code (see Table 1) Counterbore code (see Table 1) NOTE If necessary the originator code I9005 shall be placed between the descript
29、ion block and the identity block. BS EN 3834:2010EN 3834:2010 (E) 8 5 Marking EN 2424, style N plus diameter code. See Figure 1. 6 Technical specification ISO 5858, except for: Approval of manufacturers: see EN 9100; Qualification of products: see EN 9133. BS EN 3834:2010This page has been intention
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