1、ASD STANDARD NORME ASD ASD NORM prEN 3660-012 Edition P 1 May 2007 PUBLISHED BY THE AEROSPACE AND DEFENCE INDUSTRIES ASSOCIATION OF EUROPE - STANDARDIZATION Avenue de Tervuren, 270 - B-1150 Brussels - Tel. + 32 2 775 8126 - Fax. + 32 2 763 3565 - www.asd-stan.orgICS: 49.060 Descriptors: ENGLISH VERS
2、ION Aerospace series Cable outlet accessories for circular and rectangular electrical and optical connectors Part 012: Grommet nut, style A for EN 3372 Product standard Srie arospatiale Accessoires arrires pour connecteurs circulaires et rectangulaires lectriques et optiques Partie 012 : crou serre-
3、fils, type A pour EN 3372 Norme de produit Luft- und Raumfahrt Endgehuse fr elektrische und optische Rund- und Rechtecksteckverbinder Teil 012: Dichtungsmutter, Bauform A fr EN 3372 Produktnorm This “Aerospace Series“ Prestandard has been drawn up under the responsibility of ASD-STAN (The AeroSpace
4、and Defence Industries Association of Europe - Standardization). It is published for the needs of the European Aerospace Industry. It has been technically approved by the experts of the concerned Domain following member comments. Subsequent to the publication of this Prestandard, the technical conte
5、nt shall not be changed to an extent that interchangeability is affected, physically or functionally, without re-identification of the standard. After examination and review by users and formal agreement of ASD-STAN, it will be submitted as a draft European Standard (prEN) to CEN (European Committee
6、 for Standardization) for formal vote and transformation to full European Standard (EN). The CEN national members have then to implement the EN at national level by giving the EN the status of a national standard and by withdrawing any national standards conflicting with the EN. Edition approved for
7、 publication 31 May 2007 Comments should be sent within six months after the date of publication to ASD-STAN Electrical Domain Copyright 2007 by ASD-STAN prEN 3660-012:20072 Contents Page 1 Scope 3 2 Normative references 3 3 Terms and definitions .3 4 Characteristics.3 5 Designation 8 6 Marking .8 7
8、 Technical specification .8 Foreword This standard was reviewed by the Domain Technical Coordinator of ASD-STANs Electrical Domain. After inquiries and votes carried out in accordance with the rules of ASD-STAN defined in ASD-STANs General Process Manual, this standard has received approval for Publ
9、ication. prEN 3660-012:2007 3 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 Temperature range, Class N : 65 C to 200 C Class W : 65 C to 175 C 2 Normative references The following referen
10、ced 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-*, Aerospace series Elements of electrical and optical connect
11、ion Test methods. EN 3660-001, Aerospace series Cable outlet accessories for circular and rectangular electrical and optical connectors Part 001: Technical specification. 1)EN 3660-002, Aerospace series Cable outlet accessories for circular and rectangular electrical and optical connectors Part 002:
12、 Index of product standards. 1)AS85049, Connector Accessories, Electrical General Specification for- 2)3 Terms and definitions For the purposes of this document, the terms and definitions given in EN 3660-001 apply. 4 Characteristics 4.1 Dimensions and mass For dimensions and mass, see Figure 1 and
13、Table 1. For interface dimensions, see 4.2. All its parts quoted. 1) Published as ASD Prestandard at the date of publication of this standard. 2) Published by: Society of Automotive Engineers, Inc. (SAE), 400 Commonwealth Drive, Warrendale, PA 15096-0001. prEN 3660-012:20074 All dimensions in millim
14、etres 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 & W inches mm mm mm mm g 0
15、8 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” dimension is taken when
16、the coupling nut is pulled in forward position.prEN 3660-012:20075 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 teeth, the cable outlets
17、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 19,51 19,0 19,30 16,9
18、2 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 prEN 3660-012:20076 4.3 Material and finish Material/Finish: Class N : Aluminium/Ele
19、ctroless 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 These torque values are
20、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. prEN 3660-012:20077 Table 5 EN 2591 Test No. Title Not app
21、licable 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 temperature X 306 Mould g
22、rowth 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 318 Fire-resistance X 40
23、2 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 strength X 513 Magnetic per
24、meability X Not fitted to a connector. Max. value for Classes N & W 2,0 a1 GHz to 10 GHz under consideration. prEN 3660-012:20078 5 Designation EXAMPLE EN3660-012N08 Grommet nut, style A, aluminium, electroless nickel, shell size 08. Description block GROMMET NUT Identity block EN3660-012N08 Number
25、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 and Figure 1. 7 Technical specification Refer to EN 3660-001.
