EN 2880-2018 Aerospace series - Nuts anchor self-locking fuel resistant sealing floating two lug with counterbore in alloy steel cadmium plated MoS2 lubricated .pdf

1、BSI Standards Publication WB11885_BSI_StandardCovs_2013_AW.indd 1 15/05/2013 15:06 Aerospace series - Nuts, anchor, self-locking, fuel resistant, sealing, floating, two lug, with counterbore, in alloy steel, cadmium plated, MoS2 lubricated - Classification: 900 MPa (at ambient temperature) / 120 C B

2、S EN 2880:2018 EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 2880 September 2018 ICS 49.030.30 Supersedes English Version Aerospace series - Nuts, anchor, self-locking, fuel resistant, sealing, floating, two lug, with counterbore, in alloy steel, cadmium plated, MoS2 lubricated - Classificati

3、on: 900 MPa (at ambient temperature) / 120 C Srie arospatiale - crous river, freinage interne, tanches au carburant, flottants, double patte, avec chambrage, en acier alli, cadmis, lubrifis MoS2 - Classification: 900 MPa ( temprature ambiante) / 120 C Luft- und Raumfahrt - Annietmuttern, selbstsiche

4、rnd, druckdicht, kraftstoffbestndig, beweglich, beiderseitiger Flansch, mit zylindrischer Aussenkung, aus legiertem Stahl, verkadmet, MoS2-geschmiert - Klasse: 900 MPa (bei Raumtemperatur) / 120 C This European Standard was approved by CEN on 11 June 2018. CEN members are bound to comply with the CE

5、N/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 application to the CEN-CENELEC Management Ce

6、ntre 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-CENELEC Management Centre has the same status as t

7、he official versions. CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Nethe

8、rlands, Norway, Poland, Portugal, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and United Kingdom. EUROPEAN COMMITTEE FOR STANDARDIZATION COMIT EUROPEN DE NORMALISATION EUROPISCHES KOMITEE FR NORMUNG CEN-CENELEC Management Centre: Rue de la Science 23, B-1040 Brussels 2018

9、 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN 2880:2018 E National foreword This British Standard is the UK implementation of EN 2880:2018. The UK participation in its preparation was entrusted to Technical Committee ACE/12, Aer

10、ospace fasteners and fastening systems. A list of organizations represented on this committee can be obtained on request to its secretary. This publication does not purport to include all the necessary provisions of a contract. Users are responsible for its correct application. The British Standards

11、 Institution 2018 Published by BSI Standards Limited 2018 ISBN 978 0 580 99914 7 ICS 49.030.30 Compliance with a British Standard cannot confer immunity from legal obligations. This British Standard was published under the authority of the Standards Policy and Strategy Committee on 30 September 2018

12、 Amendments/corrigenda issued since publication Date Text affected BRITISH STANDARD BS EN 2880:2018 EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 2880 September 2018 ICS 49.030.30 Supersedes English Version Aerospace series - Nuts, anchor, self-locking, fuel resistant, sealing, floating, two

13、 lug, with counterbore, in alloy steel, cadmium plated, MoS2 lubricated - Classification: 900 MPa (at ambient temperature) / 120 C Srie arospatiale - crous river, freinage interne, tanches au carburant, flottants, double patte, avec chambrage, en acier alli, cadmis, lubrifis MoS2 - Classification: 9

14、00 MPa ( temprature ambiante) / 120 C Luft- und Raumfahrt - Annietmuttern, selbstsichernd, druckdicht, kraftstoffbestndig, beweglich, beiderseitiger Flansch, mit zylindrischer Aussenkung, aus legiertem Stahl, verkadmet, MoS2-geschmiert - Klasse: 900 MPa (bei Raumtemperatur) / 120 C This European Sta

15、ndard was approved by CEN on 11 June 2018. 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 references concerning s

16、uch national standards may be obtained on application to the CEN-CENELEC 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 o

17、wn language and notified to the CEN-CENELEC 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, Former Yugoslav Republic of Macedonia, France, Germany,

18、 Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and United Kingdom. EUROPEAN COMMITTEE FOR STANDARDIZATION COMIT EUROPEN DE NORMALISATION EUROPISCHES KOMITE

19、E FR NORMUNG CEN-CENELEC Management Centre: Rue de la Science 23, B-1040 Brussels 2018 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN 2880:2018 E BS EN 2880:2018EN 2880:2018 (E) 2 Contents Page European foreword . 3 1 Scope 4 2 No

20、rmative references 4 3 Required characteristics 5 4 Designation 8 5 Marking . 8 6 Technical specification 8 BS EN 2880:2018EN 2880:2018 (E) 3 European foreword This document (EN 2880:2018) has been prepared by the Aerospace and Defence Industries Association of Europe - Standardization (ASD-STAN). A

21、fter 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 countries of ASD, prior to its presentation to CEN. This European Standard shall be given the status of

22、a national standard, either by publication of an identical text or by endorsement, at the latest by March 2019, and conflicting national standards shall be withdrawn at the latest by March 2019. Attention is drawn to the possibility that some of the elements of this document may be the subject of pa

23、tent rights. CEN shall not be held responsible for identifying any or all such patent rights. This document supersedes EN 2880:1998. According to the CEN-CENELEC Internal Regulations, the national standards organizations of the following countries are bound to implement this European Standard: Austr

24、ia, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Serbia, Slovakia, Slovenia, Spain

25、 Sweden, Switzerland, Turkey and the United Kingdom. BS EN 2880:2018EN 2880:2018 (E) 4 1 Scope This European standard specifies the characteristics of self-locking, fuel resistant, sealing, floating, two lug anchor nuts, with counterbore, in alloy steel, cadmium plated, MoS 2lubricated. Classificat

26、ion: 900 MPa 1) /120 C 2) . 2 Normative references The following documents are referred to in the text in such a way that some or all of their content constitutes requirements of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the re

27、ferenced document (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 3)EN 2424, Aerospace series Marking of aerospace products EN 2491, Aerospace series Molybdenum disulphide dry l

28、ubricants Coating methods EN 9100, Quality Management Systems Requirements for Aviation, Space and Defence Organizations EN 9133, Aerospace series Quality Management Systems Qualification Procedure for Aerospace Standard Products ISO 5855-2, Aerospace MJ threads - Part 2: Limit dimensions for bolts

29、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 ISO 8940, Aerospace Nuts, anchor, self-locking, sealing, floating, two-lug, with counterbore, wit

30、h MJ threads, classifications: 900 MPa (at ambient temperature)/120 C, 900 MPa (at ambient temperature)/175 C and 900 MPa (at ambient temperature)/235 C Dimensions MIL-R-6855E, Rubber, Synthetic, Sheets, Strips, Molded or Extruded Shapes, General Specification for 4)TR 3791, Aerospace series Materia

31、ls for self-locking nuts, threaded inserts and screw thread inserts of temperature classes 425 C 5)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 temper

32、ature 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 sealing material. 3) Published as ASD-STAN Standard at the date of publication of this European standard (

33、www.asd-stan.org). 4) Published by: Department of Defense (DoD), the Pentagon, Washington, D.C. 20301, USA. 5) Published as ASD-STAN Technical Report at the date of publication of this European standard (www.asd-stan.org). BS EN 2880:2018EN 2880:2018 (E) 5 3 Required characteristics 3.1 Configuratio

34、n Dimensions Masses See Figure 1 and Table 1. Dimensions and tolerances are: in conformity with ISO 8940, expressed in millimetres and apply after cadmium plating but before MoS 2lubrication. Details of form not stated are at the manufacturers option. 3.2 Tolerances of form and prosition ISO 8788. 3

35、3 Materials Cage, seal retainer and nut element: TR 3791. Sealing ring: rubber, fuel resistant per MIL-R-6855, class 1, grade 60 or equivalent. 3.4 Surface treatments Cage and seal retainer: EN 2133, 5 m min. on all surfaces which can be contacted by a 20 mm diameter ball. On all other surfaces, a

36、continuous deposit shall be present. Nut element: EN 2133, 5 m min. on all surfaces which can be contacted by a 20 mm diameter ball. On all other surfaces, a continuous deposit shall be present; EN 2491, thickness not specified, mandatory on threads, optional on other surfaces. BS EN 2880:2018EN 288

37、0:2018 (E) 6 Remove sharp edges 0,1 to 0,4. Key 1)These values in micrometres apply before surface treatment. They do not apply to threads, punched holes or sheared edges the surface texture of which will be as achieved by usual manufacturing methods. 2)maximum bolt thread intrusion 3)minimum radial

38、 float of nut element: 0,5 4)lug thickness at the rivet location Figure 1 BS EN 2880:2018EN 2880:2018 (E) 7 Table 1 Diameter code Thread aE F G H J K L M 0 S W Mass bmin. min max. max. max. max. max. + , max. 050 MJ50,8 4H6H 9,5 19 6 3,4 16,2 14,4 24,6 7,9 12,5 2,5 14,4 4,3 060 MJ61 4H5H 11 22 7 4,1

39、 19,2 17 29 9,5 16 17,4 7 080 MJ81 4H5H 13 26 9 20,3 19,4 32,5 11,3 18,5 3 18,5 10 aIn accordance with ISO 5855-2. In the self-locking zone the tolerances apply before forming out-of-round. bApproximate values (kg/1 000 pieces), given for information purposes only. BS EN 2880:2018EN 2880:2018 (E) 8

40、4 Designation EXAMPLE 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 specification ISO 5858, except for: approval of manufacturers: see EN 9100; qualification of products: see EN 9133. BS E

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