1、MIL-C-925/79B bZ - 999990b 0277987 9 m MIL-C-915/79B - SUPERSEDING 18 June 1985 MIL-C-g15/79A MILITARY SPECIFICATION SHEET CABLE, POWER ELECTRICAL, FOR OTBOARD USE ONLY (NOT FOR INBOARD USE), TYPE TPUM-6 This specification sheet is approved for use by all Departments and Agencies of the Department o
2、f Defense. The requirements for acquiring the product described herein shall consist of this specification sheet and the issue of the following specification listed in that issue of the Department of Defense Index of Specifications and Standards (DoDISS) specified in the solicitation: MIL-C-915. REQ
3、UIREMENTS : Qualification required. First - A conductor consisting of 19 strands of 0.0126-inch diameter, copper-clad steel wire, in accordance with ASTM B 452, class 30A. inch. method 1 or method 2. Third - Two conductors twisted together to form a pair having a lay of 2-1/4 inches nominal. Fourth
4、- Six pairs of conductors cabled together. Lay shall be such as to enable the completed cable to comply with the bending endurance test. Nonfibrous fillers shall be used to form a firm, well rounded assembly. Second - Polypropylene insulation. Nominal wall thickness 0.025 Telephone identification co
5、de applied by either Cabling sequence shall be consecutive. Fifth Sixth - Jacket of polyurethane, black, applied in two layers. - Binder tape applied helically with overlap. Nominal wall thickness of each layer shall be 0.065 inch. Overall diameter shall be 0.925-inch maximum. AMSC N/A FSC 6145 PIST
6、RIBUT ION STATEMENT A . Approved for public release; distribution is unlimited. 1 of 3 Licensed by Information Handling ServicesEXAMINATION AND TESTS: 20 Conductor to conductor 2000 Conductor to water 1000 Conductor to conductor. . 100 Conductor to water., 75 Basic: Conductor resistance - ohms/lOOO
7、feet, at 25C, maximum Voltage withstand - volts, root mean square, miniaim Insulation resistance - megohms/1000 feet, minimum Grour,: Visual and dimensional . No failure Watertightness . in, maximum Bending endurance - at minus 30C, over 3-inch diameter 4.0 roller, cycles, minimum. 500 1100 250 Brea
8、king strength . pounds, minimum. . Abrasion resistance - scrapes, minimum. Grour: Physicals (unaged) Insulation conductor (stretch rate shall be 2 inches per minute) Tensile strength . lbf/in2, minimum 3500 200 Tensile strength . lbf/inz . minimum. . 5000 Elongation . percent, minimum 530 Drip . at
9、75 minimum acceptable length, 250 feet, NOTE: Not for Air Force use. Revision letters are not used to denote changes due to the extensiveness of the changes. Custodians: Navy - SH Army - MI Preparing activity: Navy - SH (Project 6145-1127-18) Review activities: Army - CR, ER DSA - IS Navy - EC User activities: Army - AL, AR, ME Navy - CG 3 Licensed by Information Handling Services
