MS15720, MILITARY STANDARD: FITTINGS, LUBRICATION (HYDRAULIC) THROAT OR SURFACE CHECK, 1/4-28 TAPER THREADS, CORROSION RESISTANT STEEL, TYPE VII (06 JUL 1954) [SUPERSEDED BY SAE-AS15720]

MS15720, MILITARY STANDARD: FITTINGS, LUBRICATION (HYDRAULIC) THROAT OR SURFACE CHECK, 1/4-28 TAPER THREADS, CORROSION RESISTANT STEEL, TYPE VII (06 JUL 1954) [SUPERSEDED BY SAE-AS15720].