1、- NIL-C-53052 bL W 777770b 0073500 b - fi-/ -03 HIL-C-53052(ME) 18 March 1985 MILITARY SPECIFICATION FOR CONNECTOR, ELECTRICAL, POWER This specification is approved for use by the USA Belvoir Research and Development Center, Department of the Army, and is available for use by all Departments and Age
2、ncies of the Department of Defense. 1. SCOPE 1.1 This specification establishes the performance, design, and test require- ments for electrical power connectors associated with the Electrical Power Plant II (EPPII) and Electrical Power Unit (EPU) for the Patriot Missile System. 1.2 Classification. E
3、lectrical connectors shall be of the following styles: 1.2.1 Styles. a. Pin contacts (see 3.1.1) b. Socket contacts (see 3.1.1) 2. APPLICABLE DOCUMENTS 2.1 Government documents. 2.1.1 Specifications and standards. Unless otherwise specified, the following specifications and standards of the issue li
4、sted in that issue of the - Department of Defense Index of Specifications and Standards (DoDISS) specified in the solicitation, form a part of this specification to the extent specified herein. SPECIFICATIONS FEDERAL QQ-P-41 6 PPP-B-566 PPP-B-601 PPP-B-621 PPP-B-636 - Plating, Cadmium (Electrodeposi
5、ted). - Box, Folding, Paperboard. - Boxes, Wood, Cleated Plywood. - Box, Wood, Nailed and Lock-corner. - Box, Shipping, Fiberboard. FSC 6115 THIS DOCUMENT CONTAINS 17 PAGES Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-. NIL-C-53052 63 m 7777906 00
6、73503 8 m MIL-C-53052 (ME) MILITARY MIL-P-116 MIL-H-5606 MIL-L-23699 MIL-C-26074 MIL-C-5 5330 STANDARDS MILITARY MS3197 MIL- STD-105 MIL-STD-202 MIL-STD-889 MIL-STD-1344 MIL-STD-45662 - Preservation, Methods of. - Hydraulic Fluid, Petroleum Base. - Lubricating Oil, Aircraft Turbine Engine. - Coating
7、s, Electroless Nickel, Requirement - Connectors, Electrical and Fiber Optics, for. Packaging of. - Gage Pin for Socket Contact Engagement Test. - Sampling Procedures and Tables for Inspection - Test Methods for Electronic and Electrical - Dissmilar Metals. - Test Methods for Electrical Connectors. -
8、 Calibration System Requirement. of Attributes. Components. 2.1.2 Other Government documents, drawings, and publications. The following other Government documents, drawings, and publications form a part of this specification to the extent specified herein. DRAWINGS TA13226E1410 A13226E1440 132223899
9、5 - Connector, Electrical. - Connector, Electrical. - Cable, Power. (Copies of specifications, standards, and drawings required by contractors in connection with specific acquisition functions should be obtained from the contracting activity or as directed by the contracting officer.) 2.2 Other publ
10、ications. The following document(s) form a part of this specification to the extent specified herein. The issues of the documents which are indicated as DoD adopted shall be the issue listed in the current DoDISS and the supplement thereto, if applicable. AMERICAN SOCIETY FOR TESTING .AND MATERIALS
11、(ASTM) ASTM D 3951 - Standard Practice for Commercial Packaging. (Application for copies should be addressed to the American Society for Testing and Materials, 1916 Race Street, Philadelphia, PA 19103.) 2 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,
12、-,-MIL-C-53052 (ME) (Industry association specifications and standards are generally available for reference from libraries They are also distributed among technical groups and using Federal agencies.) 2.3 Order of precedence. In the event of a conflict between the text of this specification and the
13、 references cited herein, the text of this specification shall take precedence. 3. REQUIREMENTS 3.1 Item Description. The electrical power connectors described in this specification are designed to carry 208 VAC 400 Hz 3-phase power and control signals for the EPPII and EPU. 3.1.1 Connectors. When s
14、pecified (see 6.2), the following connectors shall be furnished: a. TA13226E1440 for pin-type connector. b, TA13226E1410 for socket-type connector. 3.2 Drawings. The drawings forming a part of this specification are end pro- Where tolerances duct drawings. permissible without prior approval of the c
15、ontracting officer. could cumulatively result in incorrect fits, the contractor shall provide tolerances within those prescribed on the drawings to insure correct fit, assembly, and operation of the connector. Any data (e.g., shop drawings, layouts, flowsheets, processing procedures, etc.) prepared
16、by the contractor or obtained from a vendor to support fabrication and manufacture of the production item shall be available, upon request, for inspection by the contracting officer or his designated representative. No deviation from the prescribed dimensions or tolerances is 3.3 First article. The
17、contractor shall furnish one or more connectors as specified (see 6.2) for examination and testing within the time frame specified (see 6.2) to prove prior to starting that his production methods will produce connectors that comply with requirements of this specification. Examination and tests shall
18、 be as specified in section 4. Unless otherwise specified herein, all examinations and tests shall be conducted by the contractor subject to surveillance and approval by the Government (see 6.3). 6.21, the Government will conduct any or all of the first article examinations and tests, as specified (
19、see 6.2). When specified (see 3.4 Material. Material shall be as specified herein and on the applicable drawings. be subject to all provisions of this specification. Materials not specified shall be selected by the contractor and shall 3.4.1 Material deterioration and control. The connectors shall b
20、e fabricated from compatible materials, inherently corrosion resistant or treated to provide protection against various forms of corrosion and deterioration that may be encountered in any of the applicable storage and operating environment to which the connector may be exposed. 3 Provided by IHSNot
21、for ResaleNo reproduction or networking permitted without license from IHS-,-,- VIL-C-53052 bL 7799706 0093503 I MIL-C-53052 (ME) 3.4.2 Dissimilar metals. Dissimilar metals shall not be used in intimate contact with each other unless protected against galvanic corrosion. Dissimilar metals and method
22、s of protection are defined and detailed in MIL-STD-889. 3.5 Performance requirements. The electrical connectors shall comply with the following requirements: 3.5.1 Contact resistance. When connectors are tested as specified in 4.5.3 the resistance of mated pin and socket contacts shall be such that
23、 the potential drop at the test current specified in table I shall be not greater than the values specified. TABLE I. Contact resistance. Potential drop Test cur ret (miiiivoits, max) Contact (amperes 1 Initial After corrosion 16 20 25 35 1 /o 200 10 20 3.5.2 Dielectric withstanding voltage. When co
24、nnectors are tested as specifi- ed in 4.5.4, connectors shall be capable of withstanding 2000 volt AC nus, 60Hz. 3.5.3 Thermal shock. When connectors are tested as specified in 4.5.5 the connectors shall show no evidence of physical damage (see 6.5). 3.5.4 Contact retention. When contacts are tested
25、 as specified in 4.5.6 they shall be capable of withstanding the axial loads shown in table II and remain seated in the insert. TABLE II. Contact retention loads. 1 Axial load Contact size (lbs, min) lo 35 . 3.5.5 Insert retention. When insert assemblies are tested as specified in 4.5.7 they shall r
26、etain their normal position in the connector shell for a mini- mum of 5 seconds at the 45 pounds force per square inch (lbf/in2) gage pressure. 4 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-3.5.6 Insulation resistance, When connectors are tested
27、as specified in 4.5.8, the initial insulation resistance shallbe not less than 5,000 megohms. 3.5.7 Moisture resistance. When connectors are tested as specified in 4.5.9, they shall meet the following requirements: maximum Insulation res ist ance : During the 10th cycle 10 megohms minimum After 24-h
28、our drying period - 1,000 megohms minimum Dielectric withstanding voltage - As specified in 3.5.2 minimum 3.5.8 Durability. When connectors are tested as specified in 4.5.10, there shall be no evidence of damage. Flaking of the plating is considered a failure. 1/0 - 3.5.9 Cable pull-out. When connec
29、tors are tested as specified in 4.5.11, test cables (see 4.2.3) shall not pull-out when a load of 75 pounds is applied, nor shall the slippage exceed 1/8 inch. 20. 0 - “1 I 3.5.10 Vibration. When the wired connector assembly is tested as specified in 4.5.12, there shall be no cracking, breaking, or
30、loosening of parts, nor shall there be a loss of electrical continuity in excess of 10 microseconds. J.S.ll Water immersion. When tested in accordance with 4.5.13, the connector shall show no leakage. There shall be no evidence of water leakage at the con- nector interface of mated connectors. At th
31、e end of 4 hours while the mated plugs are still immersed, the insulation resistance shall be 100 megohms minimum. 3.5.12 Fluid immersion. When connectors are tested as specified in 4.5.14, they shall mate properly with their counterpart connectors and withstand one-half the applicable voltage stipu
32、lated in 3.5.2. 3.5.13 Contact engagement and separation forces. When socket contacts are tested as specified in 4.5.15, they shall comply with the contact engagement and separation forces in table III. TABLE III. Contact engagement and separation forces. I I Force (pounds) I Contact size I 5 Provid
33、ed by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-_s _I_p_s _- - _ MIL-C-53052 61 m 797770b 0073505 5 MIL-C-53052 (ME) connector shell to a point on the front of the receptacle flange shall not exceed 5.0 millivolts DC for a current of 1.0 +0.1 ampere DC. -
34、3.6 Marking. Each connector, shall be legibly and permanently marked as spe- cified on the drawing referenced herein. 3.7 Workmanship. The connector shall be processed in such a manner as to be uniform in quality and shall be free from defects that will affect life, service- ability, or appearance.
35、ating; damaged contacts; peeling or chipping of the plating and finish; exces- sive flash which would indicate improper molding; nicks, and burrs to metal surfaces. where sharp edges or comers are required or where they are not detrimental to safety. There shall be no evidence of poor molding or fab
36、ri- External surfaces shall be free of sharp edges and corners except 3.7.1 Plating. The connector shall be nickel plated 0.001 inch in thickness (minimum) in accordance with MIL-C-26074, class 4, grade A. coating of cadmium plating 0.0001 inch minimum, thickness in accordance with QQ-P-416, type II
37、, color olive drab, shall be plated over the nickel coating. Workmanship for the nickel plating shall be in accordance with MIL-C-26074. A conductive 3.7.2 Rubber parts. All rubber parts shall be free of flashing, nicks, porosity, and molding or manufacturing flaws that would make the part unsuitabl
38、e for its intended use. 3.7.3 Rivets. Rivets shall be installed in accordance with the drawings referenced herein. 3.7.4 Threads. The connector threads shall be free from burrs, nicks, and other defects that would cause binding or would not allow threaded parts to be mated smoothly. 3.8 Government f
39、urnished equipment. When specified (see 6.2) the Government will furnish the following equipment for the conduct of test specified herein: a. b. C. Cable, Power, Drawing 1322238995 Receptacle, MIS-20045/2 - O19 (socket type) Receptacle, MIS-20045/2 - 020 (pin type) 4. Qu ality assurance provisions.
40、4.1 Responsibility for inspection. Unless otherwise specified in the contract, the contractor is responsible for the performance of all inspection requirements, specified herein. Except as otherwise specified in the contract, the contractor may use his own or any other facilities suitable for the pe
41、rformance of the inspection requirements specified herein, unless disapproved by the Government. inspections set forth in the specification where such inspections are deemed necessary to assure supplies and services conform to prescribed requirements. The Government reserves the right to perform any
42、 of the 6 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-C-53052 61 H 7977706 0073506 7 W 4.1.1 Component and material inspection. The contractor is resposible for insuring that components anci materials used are manufactured, examined, and test
43、ed in accordance with referenced specifications, standards, and drawings, as applicable. 4.1.2 Disassembly inspection. Failure of any test: or examination by the first article model shall be cause for disassembly, in the presence of a Government representative, of the first article model to the exte
44、nt necessary to determine the cause of the failure. Each disassembled part shall be examined in detail for compliance with this specification and referenced drawings in regard to materials, dimensions, tolerances, and workmanship. Parts not complying with such requirements shall be rejected and shal
45、l be cause for rejection of the first article model. the responsibility of the contractor. Reassembly with replacement parts and retesting shall be 4.2 Classification of inspections. The connectors shall be inspected as spe- cified herein. Inspections shall be classified as follows: a. b. C. Inspect
46、ion of packaging (see 4.6) First article inspection (see 4.3) quality conformance inspection (see 4.4) 4.2.1 Inspection conditions. Unless otherwise specified, inspections required by this specification shall be made under any combinations of conditions within the following ranges. Any specified con
47、dition shall not affect the other two ambient ranges. a. Temperature 15“ C to 35“ C. b. Relative humidity 30 to 80 percent. c. Barometric pressure 650 to 850 mm of mercury. 4.2.2 Test equipment calibration. Calibration of test equipment shall be in accordance with MIL-STD-45662. 4.2.3 Test cables. F
48、or the purpose of these tests, the connectors shall be wired with cable conforming to drawing 1322238995 (see 3.8). 4.3 First article inspection. 4.3.1 Examination. The first article connector(s) shall be examined as spe- cified in 4.5.1. Presence of one or more defects shall be cause for rejection
49、and for performing the disassembly inspection specified in 4.1.2. 4.3.2 Tests. Upon successful completion of the examination specified in 4.3.1, the first article connector(s) shall be subjected to the tests marked “X“ in column 1 of table V. for performing the disassembly inspection specified in 4.1.2. Failure of any test shall be cause for rejection and . 4.4 Quafity conformance inspection. 4.4.1 Sampling. inspect
