ASD-STAN PREN 3660-003-2008 Aerospace series Cable outlet accessories for circular and rectangular electrical and optical connectors Part 003 Grommet nut style A for EN 2997 and EN.pdf

1、ASD STANDARD NORME ASD ASD NORM prEN 3660-003 Edition P 3 December 2008 PUBLISHED BY THE AEROSPACE AND DEFENCE INDUSTRIES ASSOCIATION OF EUROPE - STANDARDIZATIONAvenue de Tervuren, 270 - B-1150 Brussels - Tel. + 32 2 775 8126 - Fax. + 32 2 763 3565 - www.asd-stan.orgICS: 49.060 Supersedes edition P

2、2 March 2005 Will supersede EN 3660-003:2006 Descriptors: Aeronautical industry, aircraft equipment, accessories, electrical connection equipment,electrical connector, characteristics, outlet, backshells ENGLISH VERSION Aerospace series Cable outlet accessories for circular and rectangular electrica

3、l 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 rectangulaires lectriques et optiques Partie 003 : crou serre-fils, type A pour EN 2997 et EN 4067 Norme de produit Luft- und Raumfahrt

4、 Endgehuse fr elektrische und optische Rund- und Rechteck- steckverbinder Teil 003: Dichtungsmutter, Bauform A fr EN 2997 und EN 4067 Produktnorm This “Aerospace Series“ Prestandard has been drawn up under the responsibility of ASD-STAN (The AeroSpace and Defence Industries Association of Europe - S

5、tandardization). 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 content shall not be changed to an extent that interc

6、hangeability 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 for Standardization) for formal vote and transf

7、ormation 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 publication 31 December 2008 Comments should be

8、 sent within six months after the date of publication to ASD-STAN Electrical Domain Copyright 2008 by ASD-STAN prEN 3660-003:20082 Contents Page Foreword2 1 Scope 3 2 Normative references 3 3 Terms and definitions .3 4 Characteristics.3 5 Designation . 10 6 Marking 10 7 Technical specification 10 Fo

9、reword 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 Publication. prEN 3660-003:2008 3

10、1 Scope This product standard 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 T

11、he 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 (including any amendments) applies. EN 2591-100*, Aerospace series Elements of electri

12、cal and optical connection Test methods Part 100: General. 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 Cable outlet accessories for circular and rectangular elec

13、trical and optical connectors 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 apply. 4 Characteristics 4.1 Dimensions and mass Fo

14、r dimensions and mass, see Figure 1 and Table 1. For interface dimensions, see 4.2. All dimensions are in millimetres. *All its parts quoted in this standard. 1) Published by: Society of Automotive Engineers, Inc. (SAE), 400 Commonwealth Drive, Warrendale, PA 15096-0001, USA. prEN 3660-003:20084 Opt

15、ional design with 4 holes for torque wrench, see detail Z. Detail Z Key 1 Thread A 2 3 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 4 blind holes for torque wrench equi-spaced 2,800,1+(see Figu

16、re 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. B1prEN 3660-003:20085 Table 1 A B B1 C D E a F Mass Classes

17、 N, A and W Class K 0 1,14 0 1,14 + 0,640 0 1,57 0 0,56 max. max. g Thread Class 2B Variant Shell size inches mm mm mm mm mm mm 1 2 1 2 08 0.500-20UNF 15,67 19,27 12,74 13,72 7,75 6,5 3,5 6,7 6,1 16,2 10 0.625-24UNEF 18,64 22,24 15,88 13,72 7,75 9,2 4,0 8,7 6,8 20 12 0.750-20UNEF 21,79 25,39 19,05 1

18、3,72 7,75 12,4 5,0 10 8,1 24 14 0.875-20UNEF 24,99 28,59 22,23 13,72 7,75 14,5 6,8 12 10,7 29,3 16 1.000-20UNEF 28,24 31,84 25,40 13,72 7,75 17,6 7,5 13,9 12,5 33,9 18 1.063-18UNEF 30,94 34,54 27,00 13,72 7,75 19,7 8,0 17,2 14,3 41,5 20 1.188-18UNEF 34,16 37,76 30,18 13,72 7,75 22,9 9,0 18 16,3 43,3

19、 22 1.313-18UNEF 37,29 40,89 33,35 13,72 7,75 26,0 9,5 19,9 17,8 47,8 24 1.438-18UNEF 40,46 44,06 36,53 13,72 7,75 28,9 11,0 22,6 19,4 54,4 28 1.750-18UNS 50,01 53,61 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 in forward position. 4.2 Interface d

20、imensions 4.2.1 Associated connection See EN 3660-002. prEN 3660-003:20086 4.2.2 Variant A Standard AS85049 interface See Figure 2, Figure 3 and Table 2. All dimensions are in millimetres. Figure 2 Detail X Figure 3 Detail Y Table 2 Dimensions in millimetres G H J N Shell size 0 0,38 + 0,38 0 0 0,25

21、 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 prEN 3660-003:20087 4.2.3 Variant B Modified AS

22、85049 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 G H J K N Shell size Ref. + 0,13 0 + 0,18 0 0 0,25 Number of teeth 08 11,10 9,17 6,68 6,86 12 10 14,53 11,10 9,35 9,53 15 12 17,

23、45 14,83 12,62 12,80 21 14 20,62 17,22 15,98 14,86 24 16 23,80 20,55 17,73 17,93 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 54 4.3 Material and finish Material/Finish Class N : Aluminium/Electr

24、oless nickel plated Material/Finish Class W : Aluminium/Olive drab cadmium plated Material/Finish Class K : Stainless steel/Passivated Material/Finish Class A : Aluminium/Black anodised 4.4 Assembly torque These torque values are intended for installation use only, see Table 4. prEN 3660-003:2008 8

25、Table 4 Shell size Torque Nm 0,5 08 10 12 14 16 18 4,5 20 22 24 9,0 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 Torque Nm 0,5 08 10 12 14 16 18 5,5 20 22 24 11,0 28 12,0 4.6 Tests Test details to be in accord

26、ance with Table 6, EN 3660-001 and EN 2591-100. Qualification to be in accordance with EN 3660-001. prEN 3660-003:20089 Table 6 EN 2591- Designation of the test Not applicable Applicable see EN 3660-001Details 101 Visual examination X 102 Examination of dimensions and mass X See 4.1. 205 Housing (sh

27、ell) 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 growth X See EN 3660-001. 307 Salt mist X Cable outlet not fitted to a connector and suspended with non-metallic c

28、ord. 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-resistance X 402 Shock X 403 Sinusoidal and random vibration X Method B. Figure 3. Level J Duration: 8 hours in each

29、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 endurance X 408 Mating and unmating forces X Only for variant 2, see Table 4. 420 Mechanical strength of rear accesso

30、ries X continued prEN 3660-003:200810 Table 6 (concluded) EN 2591- Designation of the test Not applicable Applicable see EN 3660-001 Details 422 Locking 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 c

31、onsideration 5 Designation EXAMPLE 1 Description block GROMMET NUT Identity block EN3660-003XXXXX Number of this standard Material/Finish class Shell size Variant - A Standard AS85049 interface B Modified AS85049 interface C Standard AS85049 interface with 4 holes for torque wrench D Modified AS8504

32、9 interface with 4 holes for torque wrench Variant 1: Nothing nut with 3 holes for wire lock Variant 2: 1 nut with 4 holes for assembly torque EXAMPLE 2 EN3660-003N08B1 Grommet nut, style A, aluminium, electroless nickel, shell size 08, modified AS85049 interface, nut with 4 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 specification Refer to EN 3660-001.