MIL-DTL-55036C
2.4 Order of precedence. In event of a conflict between the text of this document and the references
cited herein, the text of this document takes precedence. Nothing in this document, however, supersedes
applicable laws and regulations unless a specific exemption has been obtained.
3. REQUIREMENTS
3.1 Cable construction. The cable shall be constructed in accordance with the following requirements:
3.1.1 Conductor. The conductors shall conform to type C, class B, of A-A-59551, except that the
conductors shall consist of six coated copper strands concentrically stranded around one galvanized steel
strand (see 4.6.1).
3.1.1.1 Copper strands. Each coated copper strand shall be 32 American Wire Gauge (AWG) soft or
drawn and annealed wire in accordance with type S of A-A-59551 (see 4.6.1.1).
3.1.1.1.1 Galvanized steel strand. The steel strand shall have a diameter of 0.008 inch (0.20mm) + 5%
and shall be covered with a coating of commercial pure zinc (galvanized). The strands shall meet the
following requirements: (see 4.6.1.2).
a. Tensile strength. Each strand shall have a minimum breaking strength of 300,000 pounds per
square inch (see 4.6.1.2a).
b. Weight of coating. The weight of the zinc coating shall be not less than 25 grams per kilogram
of coated strand (see 4.6.1.2b).
c. Uniformity of coating. The zinc coating shall be smooth, continuous, free of pinholes and
splits, and shall adhere firmly to the steel wire. It shall withstand 1 or more immersions before
the end point is reached when tested as required in 4.6.1.2c, but the number of immersions
shall be approximately the same for all specimens from the same sample.
3.1.2 Conductor insulation. Each conductor shall be insulated with 0.010 inch (.0254 mm) of high-
density polyethylene having a nominal wall thickness of 0.010 inch (.0254 mm). The minimum wall
thickness shall be not less than 0.008 inch (0.20 mm). The insulation shall be smooth, and free from
holes and occlusions. The polyethylene shall be in accordance with L-P-390, type II, class H, grade 1
except that the density shall be .941 - .965 inch (23.90 - 24.51 mm) and melt index shall be 0.50 inch
(12.7 mm) maximum. Pigments used to color the insulation shall be compatible with the insulation
antioxidant (see 4.6.2).
3.1.2.1 Thermal stress cracking. Six specimens of insulated conductor removed from a finished cable
shall be subjected to the test specified in 4.6.2.1. Following the test there shall be no evidence of
cracking of the insulation when examined under a magnification of 3 diameters (focal distance 8 cm).
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