MIL-T-2520D, MILITARY SPECIFICATION: TWINE, FIBROUS, LINEN (WAXED AND BLOCKING) (01-JUN-1977) [S/S BY A-A-52056]
MIL-T-2520D, MILITARY SPECIFICATION: TWINE, FIBROUS, LINEN (WAXED AND BLOCKING) (01-JUN-1977) [S/S BY A-A-52056]., This specification covers line twine.