MIL-T-43548C (NOTICE-1), MILITARY SPECIFICATION: THREAD, POLYESTER CORE; COTTON-, RAYON-, OR POLYESTER-COVERED (27-MAR-1991) [S/S BY A-A-50199]
MIL-T-43548C (NOTICE-1), MILITARY SPECIFICATION: THREAD, POLYESTER CORE; COTTON-, RAYON-, OR POLYESTER-COVERED (27-MAR-1991) [S/S BY A-A-50199]., Cancelled and replaced by A-A-50199.