1、AMSC N/A FSC 5935 . DETAIL SPECIFICATION CONNECTORS AND ASSEMBLIES, ELECTRICAL, AIRCRAFT GROUNDING, GENERAL SPECIFICATION FOR This specification is approved for use by all Departments and Agencies of the Department of Defense. 1. SCOPE 1.1 Scope. This specification covers electrical aircraft groundi
2、ng connectors and grounding assemblies, including plugs, receptacles, grounding clamp, connectors, jumper cable assemblies, and other accessories. 1.2 Classification. 1.2.1 Grounding assemblies. Grounding assemblies are classified as follows: Type I - Plug and clamp connectors, both attached to spec
3、ified cable. Type II - Plug attached to specified cable. Type III - Clamp connector attached to specified cable. Type IV - Jumper assembly, lug to lug. 1.2.2 Other components. Other components are to be classified by name only. 2. APPLICABLE DOCUMENTS 2.1 General. The documents listed in this sectio
4、n are specified in sections 3, 4, or 5 of this specification. This section does not include documents cited in other sections of this specification or recommended for addition information or as examples. While every effort has been made to ensure the completeness of this list, document users are cau
5、tioned that they must meet all specified requirements documents cited in sections 3, 4, or 5 of this specification, whether or not they are listed. INCH - POUND MIL-DTL-83413C 15 August 2012 SUPERSEDING MIL-DTL-83413B 22 September 2005 Comments, suggestions, or questions on this document should be a
6、ddressed to DLA Land and Maritime, Attn: VAI, PO Box 3990, Columbus, OH 43218-3990 or emailed to RFConnectorsdla.mil. Since contact information can change, you may want to verify the currency of this address information using the ASSIST Online database at https:/assist.dla.mil/. Provided by IHSNot f
7、or ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-DTL-83413C 2 2.2 Government documents. 2.2.1 Specifications, standards, and handbooks. The following specifications, standards, and handbooks form a part of this document to the extent specified herein. Unless otherwis
8、e specified, the issues of these documents are those cited in the solicitation or contract. FEDERAL SPECIFICATIONS FF-S-200 - Setscrews: Hexagon socket and Spline Socket, Headless. MIL-DTL-83420 - Wire Rope, Flexible, for Aircraft Control. FEDERAL STANDARD FED-STD-H28 - Screw Thread Standards for Fe
9、deral Services. DEPARTMENT OF DEFENSE STANDARDS MIL-STD-202 - Test Methods for Electronic and Electrical Component Parts. MIL-STD-889 - Dissimilar Metals. MIL-STD-1285 - Marking of Electrical and Electronic Parts. (See supplement 1 for list of specification sheets.) (Copies of these documents are av
10、ailable online at https:/assist.dla.mil/ or from the Standardization Document Order Desk, 700 Robbins Avenue, Building 4D, Philadelphia, PA 19111-5094.) 2.2.2 Other Government documents, drawings, and publications. The following other Government documents, drawings, and publications form a part of t
11、his specification to the extent specified herein. Unless otherwise specified, the issues of these documents are cited in the solicitation or contract. NORTH ATLANTIC TREATY ORGANIZATION (NATO) STANAG 3632 - Electrical Safety Connections for Aircraft and Ground Support Equipment. (Copies of these doc
12、uments are available online at https:/assist.dla.mil/ or from the Standardization Document Order Desk, 700 Robbins Avenue, Building 4D, Philadelphia, PA 19111-5094.) 2.3 Non-Government publications. The following documents form a part of this document to the extent specified herein. Unless otherwise
13、 specified, the issues of these documents are cited in the solicitation or contract. AEROSPACE INDUSTRIES ASSOCIATION (AIA) AIA/NAS NASM20615 - Rivet, Solid-Universal Head, Brass, Copper, Nickel-Copper Alloy. AIA/NAS NASM51021 - Setscrew, Hexagon Socket, Cup Point, Corrosion-Resisting Steel, Passiva
14、ted, UNC-3a, Plain And Self-locking. AIA/NAS NASM171466 - Pin-spring, Corrosion Resistant Steel. (Copies of these documents are available online at http:/www.aia-aerospace.org/ or from the Aerospace Industries Association, 1000 Wilson Boulevard, Suite 1700, Arlington, VA 22209-3901.) Provided by IHS
15、Not for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-DTL-83413C 3 AMERICAN NATIONAL STANDARDS INSTITUTE (ANSI) ANSI B46.1 - Surface Texture. (Copies of these documents are available online at http:/www.ansi.org or from the ANSI Customer Service Dept. , 25 West 43 St
16、reet, 4thFloor, New York, NY 10036.) ASTM INTERNATIONAL ASTM A228/A228B - Standard Specification for Steel Wire, Music Spring Quality. ASTM A304 - Alloy Steel Bar to End Quench Hardenability Requirements. ASTM B633 - Electrodeposited Coatings of Zinc on Iron and Steel. ASTM B733 - Standard Specifica
17、tion for Autocatalytic (Electroless) Nickel-Phosphorus Coatings on Metal. (Copies of these documents are available online at http:/www.astm.org or from the ASTM International, P.O. Box C700, 100 Barr Harbor Drive, West Conshohocken, PA 19428-2959.) ELECTRONIC INDUSTRIES ALLIANCE (EIA) EIA-364 - Elec
18、trical Connector/Socket Test Procedures Including Environment Classifications Revision of EIA-364-c. (Copies of these documents are available online at http:/www.eia.org or from the Electronic Industries Alliance, Technology Strategy however, final acceptance and shipment shall be withheld until the
19、 group B inspection has shown that the corrective action was successful. In the event of failure after re-inspection, information concerning the failure shall be furnished to the cognizant inspection activity and the qualifying activity. 4.7 Methods of inspection. 4.7.1 Visual and mechanical inspect
20、ion. Specimens shall be inspected to verify that the dimensions, materials, design, construction, markings, and workmanship are in accordance with the applicable requirements (see 3.1, 3.3, 3.4, 3.6 and 3.8). 4.7.2 Detent action (see 3.5.1). The connectors shall be tested in accordance with test pro
21、cedure 13 of EIA-364. The following conditions shall apply: a. during insertion tests, receptacles shall be tested with a test plug at maximum pin diameter (see 4.2). b. during withdrawal tests, receptacles shall be tested first with a test plug at maximum pin diameter, then with a test plug at mini
22、mum pin diameter. c. Repeat the test using the ISO 46 and NATO STANG 3632 plugs at maximum pin diameter. 4.7.3 Hand-grip force (see 3.5.2). The grounding clamp connector shall be connected to and removed from a .750 .010 inch (19.05 .25 mm) diameter rod, with the force required to open the clamp mea
23、sured across the handles at a point .500 .125 inch (12.70 3.18 mm) from the end. 4.7.4 Side loading (see 3.5.3). The receptacle shall be mated with a test plug, on which a force of 20 pounds shall be applied one inch from the face of the receptacle and in two directions mutually perpendicular to the
24、 axis of insertion. 4.7.5 Torque (see 3.5.4). The mounting nut on the receptacle shall be tightened with a torque of 20 inch pounds until the nut rotation has stopped. The nut shall then be loosened and the threads inspected. 4.7.6 Engagement (plugs and receptacles (see 3.5.5). The connector shall b
25、e mated with a test connector and a torque of one inch-pound shall be applied to the bass of the plug in attempt to rotate the plug in the receptacle. The plug shall then be tested for free movement in the directions of insertion and withdrawal. 4.7.7 Resistance (see 3.5.6). The test shall be in acc
26、ordance with test procedure 06 of EIA-364. test current shall be 10 1 amperes and the duration of current flow shall be 10 seconds minimum. Inability of the specimen to withstand this current shall constitute a failure. Voltmeter probes shall be placed at both ends of the specimen where current is a
27、pplied. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-DTL-83413C 14 4.7.7.1 Contact resistance (see 3.5.6.1). Test connectors and test apparatus shall be used (see 4.2 and 4.2.1). test points are between the back end of the plug and at a point
28、on the panel 2.00 .01 inches (51.8 .3 mm) from the axis of the receptacle. This test shall be repeated using the ISO 46 and NATO STANAG 3632 plugs at minimum pin diameters. 4.7.7.2 Clamp connector resistance (see 3.5.6.2). The grounding clamp connector shall be attached to a steel rod of .750 .010 i
29、nch (19.05 + .25 mm) diameter. A test wire conforming to MIL-DTL-83420 shall be attached to the handle. Test current applied from the steel rod to the wire with each contact point within .500 inch (12.70 mm) from the clamp connector. 4.7.7.3 Assembly resistance (see 3.5.6.3). Test current shall be a
30、pplied at both ends of the assembly. Assemblies with plugs shall be mated and the current applied on the test apparatus, while assemblies with grounding clamp connectors shall have clamp connectors attached to steel rods of .750 .010 inch (19.05 .25 mm) diameter and current shall be applied .500 .12
31、5 inch (12.70 3.18 mm) from the haw of the clamp. 4.7.8 Cable attachment (see 3.5.7). The clamp connector cable attachment provisions shall be tested by applying a tensile force between the clamp connector and an attached cable using a standard tensile testing machine. The test shall be made with a
32、head speed of one inch per minute. With the same cable attached the grounding clamp connector shall pass the clamp connector resistance requirement of 3.5.6.2. 4.7.9 Clamp release force (clamp connector only) (see 3.5.8). Using a test setup as shown on figure 1, the force required to free the rod in
33、 the grounding clamp connector shall be determined. 4.7.10 Clamping life (see 3.5.9). With an 18-inch length of cable attached to one handle of the grounding clamp connector by normal attachment provisions, the clamp connector shall be clamped onto a 0.750 inch (19.05 mm) nominal diameter drill rod
34、which is securely held in a horizontal position. Sufficient force shall be applied to the cable end to disengage the clamp connector from the rod permitting the jaws to snap shut. This constitutes one cycle. The connector shall be subjected to 5,000 such cycles. The grounding clamp connector shall t
35、hen successfully pass the clamp release force requirement of 3.5.8 and the clamp connector resistance requirement of 3.5.6.2. 4.7.11 Vibration (see 3.5.10). The test shall be performed in accordance with test procedure 28 of EIA-364. The following conditions shall apply: a. Test condition IV. b. Tes
36、t apparatus shall be used for receptacles (see 4.2.1). c. After completion of the test, the detent action test of 4.7.2 and the contact resistance test of 4.7.7.1 shall be performed. 4.7.12 Durability (see 3.5.11). The test shall be performed in accordance with test procedure 09 of EIA-364. The foll
37、owing conditions shall apply: a. Test preparation: Connectors shall be mated. b. 5,000 cycles shall be completed. c. After completion of the test, the detent action test of 4.7.2 and the contact resistance test of 4.7.7.1 shall be performed. Provided by IHSNot for ResaleNo reproduction or networking
38、 permitted without license from IHS-,-,-MIL-DTL-83413C 15 4.7.13 Tensile strength (see 3.5.12). The test shall be performed in accordance with method 211 of MIL-STD-202. The following conditions shall apply: a. Test condition A. b. Test load: as specified in the individual specification sheets. 4.7.
39、14 Flexibility (see 3.5.13). One end of the jumper cable assembly shall be held stationary under a tension of 2.0 .1 pound (8.90 .5 newtons) while the other end of the jumper is rotated in a circle which forms the base of a cone having an included angle of 22 2. A cycle shall consist of one complete
40、 revolution; 300,000 cycles shall be performed. After completion of the test, the tensile strength test of 4.7.13 and the assembly resistance test of 4.7.7.3 shall be performed. NOTE: Wires shall be attached to roll pins if used. FIGURE 1. Clamp release force test. 4.7.15 Crush (see 3.5.14). The tes
41、t shall be performed in accordance with test procedure 40 of EIA-364. The following condition shall apply: a. One load shall be applied to the plug itself in two mutually perpendicular axes from the insertion axes. Provided by IHSNot for ResaleNo reproduction or networking permitted without license
42、from IHS-,-,-MIL-DTL-83413C 16 b. After completion of the test, the detent action test of 4.7.2 and the contact resistance test of 4.7.7.1 shall be performed. 4.7.16 Humidity (see 3.5.15). The test shall be performed in accordance with test procedure 31 of EIA-364. The following conditions shall app
43、ly: a. Test condition: Type II up to but excluding step 7a. b. Test preparation: Connectors shall be unmated. c. Test apparatus shall be used for receptacles (see 4.2.1). d. After completion of the test, the clamp release force test of 4.7.9, the contact resistance test of 4.7.7.1, the clamp connect
44、or resistance test of 4.7.7.2, the detent action test of 4.7.2, and the assembly resistance test of 4.7.7.3 shall be performed, as applicable. 4.7.17 Temperature cycling (see 3.5.16). The test shall be performed in accordance with test procedure 32 of EIA-364. The following conditions shall apply: a
45、. Test condition: Condition I, 100 cycles. b. Test preparation: Connectors shall be unmated. c. Test apparatus shall be used for receptacles (see 4.2.1). d. After completion of the test, the clamp release force test of 4.7.9, the contact resistance test of 4.7.7.1, the clamp connector resistance tes
46、t of 4.7.7.2, the detent action test of 4.7.2, and the assembly resistance test of 4.7.7.3 shall be performed, as applicable. 4.7.18 Drop (see 3.5.17). The grounding clamp connector shall be dropped onto solid concrete from a height of 10 feet with a random free fall. The clamp connector shall be dr
47、opped 25 times. After completion of the test, the clamp release force test of 4.7.9 and the clamp connector resistance test of 4.7.7.2 shall be performed, as applicable. 4.7.19 Altitude-low temperature (see 3.5.18). The test shall be performed in accordance with test procedure 105 of EIA-364. The fo
48、llowing conditions shall apply: a. Test apparatus shall be used for receptacles (see 4.2.1). b. After completion of the test, the contact resistance test of 4.7.7.1, the detent action test of 4.7.2, and the assembly resistance test of 4.7.7.3 shall be performed, as applicable. 4.7.20 Dust (see 3.5.19). The test shall be performed in accordance with method 110 of MIL-STD-202. The following conditions shall apply: a. Test apparatus shall be used for receptacles (see 4.2.1). b. Test preparation: Connectors shall be unmated. c. After completion of the test, the clamp release force test of 4.7.9,
