MS9309B (NOTICE 1), MILITARY STANDARD: STUD, SHOULDERING & STEPPED, HEXAGON WRENCHING, DRILLED, STEEL, .190-32 UNF-3A X .250-28 UNF-3A (15 OCT 1999) [SUPERSEDED BY SAE-AS9309].
MS9309B (NOTICE 1), MILITARY STANDARD: STUD, SHOULDERING & STEPPED, HEXAGON WRENCHING, DRILLED, STEEL, .190-32 UNF-3A X .250-28 UNF-3A (15 OCT 1999) [SUPERSEDED BY SAE-AS9309].