1、BS EN 4084:2009ICS 49.030.30NO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAWBRITISH STANDARDAerospace series Nuts, anchor, self-locking, fixed, twolug, with counterbore,in alloy steel,cadmium plated,MoS2 lubricated Classification: 1 100MPA (at ambienttemperature) / 235 CThis Br
2、itish Standard was published under the authority of the Standards Policy and Strategy Committee on 31January 2010 BSI 2010ISBN 978 0 580 69811 8Amendments/corrigenda issued since publicationDate CommentsBS EN 4084:2009National forewordThis British Standard is the UK implementation of EN 4084:2009. T
3、he 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
4、contract. Users are responsible for its correct application. Compliance with a British Standard cannot confer immunityfrom legal obligations.BS EN 4084:2009EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 4084 November 2009 ICS 49.030.30 English Version Aerospace series - Nuts, anchor, self-lock
5、ing, fixed, two lug, with counterbore, in alloy steel, cadmium plated, MoS2 lubricated - Classification: 1 100 MPA (at ambient temperature) / 235 C Srie arospatiale - crous river, freinage interne, fixes, double patte, avec chambrage, en acier, cadmis, lubrifis MoS2 - Classification: 1 100 MPa ( tem
6、prature ambiente)/235 C Luft- und Raumfahrt - Annietmuttern, selbstsichernd, beiderseitiger Flansch 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 15 September 2009. CEN membe
7、rs 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 applicatio
8、n 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 has th
9、e 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, Portug
10、al, 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 means r
11、eserved worldwide for CEN national Members. Ref. No. EN 4084:2009: EBS EN 4084:2009EN 4084:2009 (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 85 Marking .86 Technic
12、al specification .8BS EN 4084:2009EN 4084:2009 (E) 3 Foreword This document (EN 4084:2009) 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 Standa
13、rd 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 b
14、y May 2010, and conflicting national standards shall be withdrawn at 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 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, Bulgaria, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland,
16、Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and the United Kingdom. BS EN 4084:2009EN 4084:2009 (E) 4 1 Scope This European Standard specifies the characteristics of two lug fixed anchor nuts, with counte
17、rbore and a self-locking feature achieved by forming the upper portion out-of-round, in alloy steel, cadmium plated, MoS2 lubricated. Classification: 1 100 MPa 1)/ 235 C 2). 2 Normative references EN 2133, Aerospace series Cadmium plating of steels with specified tensile strength 1450 MPa, copper, c
18、opper alloys and nickel alloys EN 2424:2008, Aerospace 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, Aerospac
19、e 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, Space and Defense Organizations EN 9133, Aerospace series Quality management systems Qualification procedure for aerospace standard part
20、s ISO 3223, Aerospace Nuts, anchor, self-locking, fixed, two lug, 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: Li
21、mit 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 TR 3791, Aerospace series Materials for self-locking nuts, threaded inse
22、rts and screw thread inserts of temperature classes 425 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 can withstand without continuous
23、 change in its original characteristics, after return to ambient temperature. The maximum temperature is determined by the surface treatment. 3) Published as ASD-STAN Technical Report at the date of publication of this standard. BS EN 4084:2009EN 4084:2009 (E) 5 3 Required characteristics 3.1 Config
24、uration Dimensions Masses See Figure 1 and Table 1. Dimensions and tolerances are in conformity with ISO 3223, expressed in millimetres and apply after cadmium plating but before MoS2lubrication. Form and position tolerances shall be in conformity with ISO 8788 and those specified in Table 1. 3.2 Ma
25、terials 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 deposit shall be present, plus EN 2491, thickness not specified. BS EN 4084:2009EN 4084:2009 (E) 6 Dimension
26、s in millimetres Key 1 Thread 2 Marking 3 Seating face a These values in micrometres apply before surface treatement. The do not apply to threads and sheared edges the surface texture of which will be as achieved by usual manufacturing methods. b Radius or chamfer c Form out-of-round in this area to
27、 achieve the self- locking. Tooling marks are permitted in this area. d Alternatives: countersunk rivet holes (when specified by purchaser) may be dimpled or cut countersunk (at manufacturers option). e Section on X Figure 1 BS EN 4084:2009EN 4084:2009 (E) 7 Table 1 Diameter Code Threada E F G H Jb
28、K L M Nc R S V Mass kg/1 000min. min. max. max. max. max. max. 0,25pieces approx. 030 MJ3x0,5-4H6H 6 12 d d4,6 6 17,2 3,2 1 2,5 2,5 4,8 0,45 040 MJ4x0,7-4H6H 8,5 17 4,4 2,2 6,2 8 23,2 5,8 3 1,15 050 MJ5x0,8-4H6H 9,5 19 5,5 2,4 7,3 9 25,2 6,9 1,30 060 MJ6x1-4H5H 11 22 6,5 2,7 8,7 10 29,2 8,1 1,2 2,10
29、 080 MJ8x1-4H5H 8,5 10,9 13 9,9 1,5 3,5 3 5,7 4,40 100 MJ10x1,25-4H5H 13 26 10,5 3 12,9 16,2 35,2 12 1,6 4,5 3,5 6,6 7,65 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
30、applicable at the rivet hole location. dDiameter code 030 does not have a counterbore. BS EN 4084:2009EN 4084:2009 (E) 8 4 Designation EXAMPLE Description block NUT Identity block EN4084-060 Standard number Hole code (see Table 2) Diameter code (see Table 1) NOTE If necessary, the code I9005 shall b
31、e placed between the description block and the identity block. Table 2 Option Code Plain rivet 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 manufactures: see EN 9100; Qualification of pro
32、ducts: see EN 9133. BS EN 4084:2009This page has been intentionally left blankBS EN4084:2009BSI 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 BritishSt
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