1、BS EN3660-003:2009ICS 49.060NO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAWBRITISH STANDARDAerospace series Cable outletaccessories for circularand rectangularelectrical and opticalconnectorsPart 003: Grommet nut, style A for EN2997 and EN 4067 Product standardThis British Sta
2、ndardwas published under theauthority of the StandardsPolicy and StrategyCommittee on 31 January2010 BSI 2010ISBN 978 0 580 63337 9Amendments/corrigenda issued since publicationDate CommentsBS EN 3660-003:2009National forewordThis British Standard is the UK implementation of EN 3660-003:2009. Itsupe
3、rsedes BS EN 3660-003:2006 which is withdrawn.The UK participation in its preparation was entrusted to TechnicalCommittee ACE/6, Aerospace avionic electrical and fibre optictechnology.A list of organizations represented on this committee can be obtained onrequest to its secretary.This publication do
4、es not purport to include all the necessary provisionsof a contract. Users are responsible for its correct application.Compliance with a British Standard cannot confer immunityfrom legal obligations.BS EN 3660-003:2009EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 3660-003 November 2009 ICS 49
5、.060 Supersedes EN 3660-003:2006English Version Aerospace series - Cable outlet accessories for circular and rectangular electrical and optical connectors - Part 003: Grommet nut, style A for EN 2997 and EN 4067 - Product standard Srie arospatiale - Accessoires arrire pour connecteurs circulaires et
6、 rectangulaires lectriques et optiques - Partie 003 : crou serre-fils, type A pour EN 2997 et EN 4067 - Norme de produit Luft- und Raumfahrt - Endgehuse fr elektrische und optische Rund- und Rechtecksteckverbinder - Teil 003: Dichtungsmutter, Bauform A fr EN 2997 und EN 4067 - Produktnorm This Europ
7、ean Standard was approved by CEN on 20 June 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 references conce
8、rning 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 its ow
9、n 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, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithua
10、nia, 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 Brussels 2009 CE
11、N All rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN 3660-003:2009: EBS EN 3660-003:2009EN 3660-003:2009 (E) 2 Contents Page Foreword 31 Scope 42 Normative references 43 Terms and definitions .44 Characteristics .45 Designation . 116 Mark
12、ing 117 Technical specification 11BS EN 3660-003:2009EN 3660-003:2009 (E) 3 Foreword This document (EN 3660-003:2009) 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 th
13、is 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 a national standard, either by publication of an identical text or by e
14、ndorsement, at the latest by 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 identifyi
15、ng any or all such patent rights. This document supersedes EN 3660-003:2006. 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,
16、Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and the United Kingdom. BS EN 3660-003:2009EN 3660-003:2009 (E) 4 1 Scope This European St
17、andard defines a range of grommet nuts, style A, for use under the following conditions: Associated electrical connector(s) : EN 3660-002 Temperature range, Class N : 65 C to 200 C Class W : 65 C to 175 C Class K : 65 C to 260 C Class A : 65 C to 200 C 2 Normative references The following referenced
18、 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 (including any amendments) applies. EN 2591-100*, Aerospace series Elements of electrical and optical connect
19、ion Test methods Part 100: General EN 3660-001:2006, Aerospace series Cable outlet accessories for circular and rectangular electrical and optical connectors Part 001: Technical specification EN 3660-002, Aerospace series Cable outlet accessories for circular and rectangular electrical and optical c
20、onnectors Part 002: Index of product standards AS 85049A, Connector accessories, electrical general specification for 1)3 Terms and definitions For the purposes of this document, the terms and definitions given in EN 3660-001:2006 apply. 4 Characteristics 4.1 Dimensions and mass For dimensions and m
21、ass, see Figure 1 and Table 1. For interface dimensions, see 4.2. *As well as all parts quoted in this standard. 1) Published by: Society of Automotive Engineers, Inc. (SAE), 400 Commonwealth Drive, Warrendale, PA 15096-0001, USA. BS EN 3660-003:2009EN 3660-003:2009 (E) 5 Dimensions in millimetres O
22、ptional design with four holes for torque wrench, see detail Z. Detail Z 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) 6 Four blind holes for torque wrench equi-spaced 2,800
23、0,10+(see Figure 1, detail Z) aThe location of blind holes axis can be left to the manufacturers preference. Location of blind holes is not mandatory. NOTE The details X and Y are shown in the different variants (see 4.2.2 and 4.2.3). Figure 1 6 a2 min. B1BS EN 3660-003:2009EN 3660-003:2009 (E) 6 Ta
24、ble 1 Shell size A B B1 C D E a F Mass Thread Class 2B Classes N, A and W Class K 0 1,14 0 1,14 + 0,640 0 1,57 0 0,56 max. max. g Variant inches mm mm mm mm mm mm 1 2 1 2 08 0,500-20UNF 15,67 19,47 12,74 13,72 7,75 6,5 3,5 6,7 6,1 16,2 10 0,625-24UNEF 18,64 22,47 15,88 13,72 7,75 9,2 4,0 8,7 6,8 20
25、12 0,750-20UNEF 21,79 25,47 19,05 13,72 7,75 12,4 5,0 10 8,1 24 14 0,875-20UNEF 24,99 28,67 22,23 13,72 7,75 14,5 6,8 12 10,7 29,3 16 1,000-20UNEF 28,24 31,67 25,40 13,72 7,75 17,6 7,5 13,9 12,5 33,9 18 1,063-18UNEF 30,94 34,67 27,00 13,72 7,75 19,7 8,0 17,2 14,3 41,5 20 1,188-18UNEF 34,16 37,67 30,
26、18 13,72 7,75 22,9 9,0 18 16,3 43,3 22 1,313-18UNEF 37,29 40,67 33,35 13,72 7,75 26,0 9,5 19,9 17,8 47,8 24 1,438-18UNEF 40,46 44,07 36,53 13,72 7,75 28,9 11,0 22,6 19,4 54,4 28 1,750-18UNS 50,01 50,97 44,45 17,83 7,75 34,9 14,0 42,7 21,9 107,1 aE dimension is taken when the coupling nut is pulled i
27、n forward position. 4.2 Interface dimensions 4.2.1 Associated connection See EN 3660-002. BS EN 3660-003:2009EN 3660-003:2009 (E) 7 4.2.2 Variant A Standard AS85049 interface See Figure 2, Figure 3 and Table 2. Dimensions in millimetres Figure 2 Detail X Figure 3 Detail Y Table 2 Dimensions in milli
28、metres Shell size G H J N 0 0,38 + 0,38 0 0 0,25 Number of teeth 08 9,10 7,59 6,86 12 10 12,50 11,00 9,53 15 12 15,50 13,94 12,98 21 14 18,70 17,12 14,86 24 16 21,80 20,29 18,03 30 18 23,30 22,07 20,04 33 20 26,40 25,25 23,22 36 22 29,60 28,42 26,39 39 24 32,80 31,60 29,31 42 28 38,40 37,31 35,28 54
29、 BS EN 3660-003:2009EN 3660-003:2009 (E) 8 4.2.3 Variant B Modified AS85049 Interface See Figure 4, Figure 5 and Table 3. All dimensions are in millimetres. Figure 4 Detail X (Class K only) Figure 5 Detail Y Table 3 Dimensions in millimetres Shell size G H J K N Ref. + 0,13 0 0 0,25 + 0,18 0 Number
30、of teeth 08 11,10 9,17 6,86 6,68 12 10 14,53 11,10 9,53 9,35 15 12 17,45 14,83 12,98 12,62 21 14 20,62 17,22 15,98 14,86 24 16 23,80 20,55 18,03 17,73 30 18 25,20 22,48 21,46 20,04 33 20 28,37 25,53 25,02 23,22 36 22 31,55 29,01 27,61 26,39 39 24 34,72 32,46 31,62 29,31 42 28 42,75 38,91 37,97 35,28
31、 54 4.3 Material and finish Material/Finish Class N : Aluminium/Electroless nickel plated Material/Finish Class W : Aluminium/Olive drab cadmium plated Material/Finish Class K : Stainless steel/Passivated Material/Finish Class A : Aluminium/Black anodized BS EN 3660-003:2009EN 3660-003:2009 (E) 9 4.
32、4 Assembly torque These torque values are intended for installation use only, see Table 4. Table 4 Shell size Torque Nm 0,5 08 4,5 10 12 14 16 18 20 9,0 22 24 28 10,0 4.5 Coupling thread strength torques These torque values are for test purposes, see EN 2591-420 and Table 5. Table 5 Shell size Torqu
33、e Nm 0,5 08 5,5 10 12 14 16 18 20 11,0 22 24 28 12,0 4.6 Tests Test details to be in accordance with Table 6, EN 3660-001 and EN 2591-100. Qualification to be in accordance with EN 3660-001. BS EN 3660-003:2009EN 3660-003:2009 (E) 10 Table 6 EN 2591- Designation of the test Not applicable Applicable
34、 See EN 3660-001Details 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 Classes N, A and W only 305 Rapid change of temperature X 306 Mould
35、growth X See EN 3660-001. 307 Salt mist X Cable outlet not fitted to a connector and suspended with non-metallic cord. Duration: Classes N, K and A 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 318 Fire-res
36、istance X 402 Shock X 403 Sinusoidal and random vibration X Method B. Figure 3. Level J Duration: 8 h in each of two axes. Test performed: on one group 50 % of time at 65 C 50 % of time at ambient temperature on a 2ndgroup 100 % of time at maximum temperature of class under test406 Mechanical endura
37、nce X 408 Mating and unmating forces X Only for variant 2, see Table 4. 420 Mechanical strength of rear accessories X Phase D and Table 5. continued BS EN 3660-003:2009EN 3660-003:2009 (E) 11 Table 6 (concluded) EN 2591- Designation of the test Not applicable Applicable see EN 3660-001 Details 422 L
38、ocking wire hole strength X 513 Magnetic permeability X Not fitted to a connector. Max. values Classes N, A and W 2,0 Class K 5,0 a1 GHz to 10 GHz under consideration. 5 Designation EXAMPLE 1 Description block GROMMET NUT Identity block EN3660-003XXXXX Number of this standard Material/Finish class S
39、hell size Variant - A Standard AS85049 interface; B Modified AS85049 interface. Variant 1: Nothing nut with three holes for wire lock Variant 2: One nut with four holes for assembly torque EXAMPLE 2 EN3660-003N08B1 Grommet nut, style A, aluminium, electroless nickel, shell size 08, modified AS85049
40、interface, nut with four holes for torque wrench. 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 and Figure 1. 7 Technical specifica
41、tion Refer to EN 3660-001. BS EN3660-003:2009BSI 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 BritishStandards. It presents the UK view on standards i
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