BS EN 3660-012-2008 Aerospace series — nCable outlet accessories nfor circular and nrectangular electrical nand optical nconnectors — nPart 012 Grommet nut style A nfor EN 3372 — P.pdf

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1、BRITISH STANDARDBS EN 3660-012:2008Aerospace series Cable outlet accessories for circular and rectangular electrical and optical connectors Part 012: Grommet nut, style A for EN 3372 Product standardICS 49.060g49g50g3g38g50g51g60g44g49g42g3g58g44g55g43g50g56g55g3g37g54g44g3g51g40g53g48g44g54g54g44g5

2、0g49g3g40g59g38g40g51g55g3g36g54g3g51g40g53g48g44g55g55g40g39g3g37g60g3g38g50g51g60g53g44g42g43g55g3g47g36g58BS EN 3660-012:2008This British Standard was published under the authority of the Standards Policy and Strategy Committee on 30 May 2008 BSI 2008ISBN 978 0 580 60577 2National forewordThis Br

3、itish Standard is the UK implementation of EN 3660-012:2008.The UK participation in its preparation was entrusted to Technical Committee ACE/6, Aerospace avionic electrical and fibre optic technology.A list of organizations represented on this committee can be obtained on request to its secretary.Th

4、is publication does not purport to include all the necessary provisions of a contract. Users are responsible for its correct application.Compliance with a British Standard cannot confer immunity from legal obligations. Amendments/corrigenda issued since publicationDate CommentsEUROPEAN STANDARDNORME

5、 EUROPENNEEUROPISCHE NORMEN 3660-012April 2008ICS 49.060English VersionAerospace series - Cable outlet accessories for circular andrectangular electrical and optical connectors - Part 012:Grommet nut, style A for EN 3372 - Product standardSrie arospatiale - Accessoires arrires pour connecteurscircul

6、aires et rectangulaires lectriques et optiques - Partie012 : crou serre-fils, type A pour EN 3372 - Norme deproduitLuft- und Raumfahrt - Endgehuse fr elektrische undoptische Rund- und Rechtecksteckverbinder - Teil 012:Dichtungsmutter, Bauform A fr EN 3372 - ProduktnormThis European Standard was appr

7、oved by CEN on 19 January 2008.CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this EuropeanStandard the status of a national standard without any alteration. Up-to-date lists and bibliographical references concerning such nationals

8、tandards 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 translationunder the responsibility of a CEN member into its own language and notified

9、 to the CEN Management Centre has the same status as theofficial 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, Ne

10、therlands, Norway, Poland, Portugal,Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom.EUROPEAN COMMITTEE FOR STANDARDIZATIONCOMIT EUROPEN DE NORMALISATIONEUROPISCHES KOMITEE FR NORMUNGManagement Centre: rue de Stassart, 36 B-1050 Brussels 2008 CEN All rights of exploitation

11、in any form and by any means reservedworldwide for CEN national Members.Ref. No. EN 3660-012:2008: E2 Contents Page Foreword3 1 Scope 4 2 Normative references 4 3 Terms and definitions .4 4 Characteristics.4 5 Designation 9 6 Marking .9 7 Technical specification .9 BS EN 3660-012:20083 Foreword This

12、 document (EN 3660-012:2008) 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 Standard has received the approval of the National Associations and

13、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 October 2008, and conflicting national standards shall be wi

14、thdrawn at the latest by October 2008. 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 rights. According to the CEN/CENELEC Internal Regulatio

15、ns, 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, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlan

16、ds, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and the United Kingdom. BS EN 3660-012:20084 1 Scope This product standard defines a range of grommet nut, style A for use under the following conditions: Associated electrical connector(s) : EN 3660-002 Temperatur

17、e range, Class N : 65 C to 200 C Class W : 65 C to 175 C 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 document (incl

18、uding any amendments) applies. EN 2591-*, Aerospace series Elements of electrical and optical connection Test methods EN 3660-001, Aerospace series Cable outlet accessories for circular and rectangular electrical and optical connectors Part 001: Technical specification EN 3660-002, Aerospace series

19、Cable outlet accessories for circular and rectangular electrical and optical connectors Part 002: Index of product standards AS85049, Connector accessories, electrical general specification for 1)3 Terms and definitions For the purposes of this document, the terms and definitions given in EN 3660-00

20、1 apply. 4 Characteristics 4.1 Dimensions and mass For dimensions and mass, see Figure 1 and Table 1. For interface dimensions, see 4.2. *All its parts quoted. 1) Published by: Society of Automotive Engineers, Inc. (SAE), 400 Commonwealth Drive, Warrendale, PA 15096-0001. BS EN 3660-012:20085 All di

21、mensions in millimetres Key 1 Thread A 2 Three off wire lock holes equi-spaced for 0,8 mm max. diameter wire 3 Teeth N (see Tables 2 and 3) 4 Knurled, manufacturers option 5 Marking (see Clause 6) Figure 1 Table 1 B C aD F Shell size A Thread Class 2B max. 0,38 max. max. Mass max. Classes N and W in

22、ches mm mm mm mm g 08 0.4375-28UNEF 16 6,9 3,5 10 0.5625-24UNEF 19 10,1 4,0 12 0.6875-24UNEF 22 13,0 5,0 14 0.8125-20UNEF 25 16,2 6,8 16 0.9375-20UNEF 29 19,3 7,5 18 1.0625-18UNEF 31 21,6 8,0 20 1.1875-18UNEF 35 24,8 9,0 22 1.3125-18UNEF 38 28,1 9,5 24 1.4375-18UNEF 41 6,29 13,1 31,1 11,0 a “C” dime

23、nsion is taken when the coupling nut is pulled in forward position.BS EN 3660-012:20086 4.2 Interface dimensions 4.2.1 Associated connector See EN 3660-002. 4.2.2 Standard AS85049 interface See Figure 2, Figure 3 and Table 2. All dimensions in millimetres aAfter max. 5,4 mm from the root of the teet

24、h, the cable outlets coupling nut must conform to the G diameter. Figure 2 Figure 3 Table 2 G H I J max. max. min. max. min. max. Shell size mm mm mm mm N Number of teeth 08 15,20 10,26 9,7 10,01 7,59 8,80 12 10 18,40 13,36 12,9 13,16 10,85 12,00 16 12 21,60 16,54 15,8 16,33 13,79 14,94 20 14 24,80

25、19,51 19,0 19,30 16,92 18,06 24 16 28,00 22,68 22,1 22,48 20,09 21,23 28 18 31,00 25,58 24,9 25,30 22,78 23,93 32 20 34,20 28,88 28,0 28,68 25,96 27,10 36 22 37,40 31,93 31,2 31,65 29,13 30,26 40 24 40,60 35,10 34,4 34,82 32,21 33,34 44 BS EN 3660-012:20087 4.3 Material and finish Material/Finish: C

26、lass N : Aluminium/Electroless nickel Material/Finish: Class W : Aluminium/Olive drab cadmium plate 4.4 Assembly torque These torque values are intended for installation use only, see Table 3. Table 3 Shell size Torque Nm 0,5 08 10 12 14 16 18 4,5 20 22 24 9,0 4.5 Coupling thread strength torques Th

27、ese torque values are for test purposes, see EN 2591-420 and Table 4. Table 4 Shell size Torque Nm 0,5 08 10 12 14 16 18 5,5 20 22 24 11,0 4.6 Tests Test details to be in accordance with Table 5 and EN 3660-001. Qualification to be in accordance with EN 3660-001. BS EN 3660-012:20088 Table 5 EN 2591

28、 Test No. Title Not applicable Applicable see EN 3660-001 Particulars 101 Visual examination X 102 Examination of dimensions and mass X See 4.1. 205 Housing (shell) electrical continuity X 212 Surface transfer impedance (from 100 MHz to 1 GHz) aX 301 Endurance at temperature X 305 Rapid change of te

29、mperature X 306 Mould growth X See EN 3660-001. 307 Salt mist X Cable outlet not fitted to a connector and suspended with non-metallic cord. Duration: Class N 48 h Class W 500 h 308 Sand and dust X 314 Immersion at low air pressure X 315 Fluid resistance X 316 Ozone resistance X 317 Flammability X 3

30、18 Fire-resistance X 402 Shock X 403 Sinusoidal and random vibration X Method B. Figure 3 and Table 2. Level J Duration: 8 h at ambient temperature 406 Mechanical endurance X 408 Mating and unmating forces X 420 Mechanical strength of rear accessories X Phase D and Table 4 422 Locking wire hole stre

31、ngth X 513 Magnetic permeability X Not fitted to a connector. Max. value for Classes N and W 2,0 a1 GHz to 10 GHz under consideration. BS EN 3660-012:20089 5 Designation EXAMPLE EN3660-012N08 Grommet nut, style A, aluminium, electroless nickel, shell size 08. Description block GROMMET NUT Identity b

32、lock EN3660-012N08 Number of this standard Material/Finish class, see 4.3 Shell size NOTE 1 No gaps are required between sections in the part number when printed. NOTE 2 If necessary, the code I9005 shall be placed between the description block and the identity block. 6 Marking Refer to EN 3660-001

33、and Figure 1. 7 Technical specification Refer to EN 3660-001. BS EN 3660-012:2008BS EN 3660-012:2008BSI389 Chiswick High RoadLondonW4 4ALBSI British Standards InstitutionBSI is the independent national body responsible for preparing British Standards. It presents the UK view on standards in Europe a

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