MIL-DTL-55425E
DEPARTMENT OF DEFENSE SPECIFICATIONS
MIL-C-572
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Cords, Yarns, and Monofilaments Organic Synthetic Fiber.
MIL-Y-1140
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Yarn, Cord, Sleeving, Cloth, and Tape Glass.
MIL-DTL-3241 -
Reels, Cable (Reels DR-5( ), DR-7( ), DR-8( ), RC 453( )/G, RL-159( )/U)
(Copies of these documents are available online at https://assist.daps.dla.mil/quicksearch/ 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 specified, the issues of these documents are those cited in the solicitation or contract.
ASTM INTERNATIONAL
ASTM B105
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Hard-Drawn Copper Alloy Wires for Electrical Conductors.
ASTM D470
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Methods of Testing Rubber and Thermoplastic Insulated Wire and Cable.
ASTM D573
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Method of Test for Accelerated Aging of Vulcanized Rubber by the Oven Method.
ASTM D3953
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Standard Specification for Steel, Seals, Flat, Strapping.
ASTM-D4727/D4727M -Standard Specification for Fiberboard Sheet Stock (Container grade) and Cut Shapes
Corrugated and Solid.
(Copies of these documents are available online from https://www.astm.org or from ASTM International, 100 Barr
Harbor Drive, P.O. Box C700, West Conshohocken, PA 19428-2959.)
2.4 Order of precedence. In the 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 First article. When specified in the contract, a sample shall be subjected to first article inspection in
accordance with 4.2.
3.2 Materials.
3.2.1 Strands. The conductor strands shall be bare, hard-drawn wire, copper alloy #85, in accordance with
ASTM B105. Each strand shall be 0.0085 in ± 0.0001 in (.216 mm ±.003 mm) in diameter.
3.2.2 Insulating compound. The insulating compound shall be a high density (linear) polyethylene, in accordance
with L-P-390, type II, class H, grade 1. The insulating compound used on one pair of conductors shall be brown, in
accordance with FED-STD-595/30117. Both colors of the insulating compound shall contain 1 +2%,-0% of titanium
dioxide ultraviolet inhibitor
3.2.3 Code markers. One conductor of a pair shall contain the manufacturer's code marker and the other
conductor of the same pair the marker for the year of manufacture. The yarn used for marker threads shall be one of
the following:
a. Glass yarn, form 1, class C, yarn numbers ECE450-1/0, ECE450-1/2 or ECD900-1/2, in accordance with
b. One end of 30 dernier, 40 filament type SAR, for Y yarn in accordance with MIL-C-572.
3.3 Construction.
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