MIL-W-22759E, MILITARY SPECIFICATION: WIRE, ELECTRICAL, FLUOROPOLYMER-INSULATED, COPPER OR COPPER ALLOY (31 DEC 1990) [SUPERSEDING MIL-W-7139B] [S/S BY SAE-AS22759]., This specification covers fluoropolymer-insulated single conductor electrical wires made with tin-coated, silver-coated, or nickel-coated conductors of copper or copper alloy.