MS20073B (NOTICE 1), MILITARY SPECIFICATION: BOLT, MACHINE, AIRCRAFT, DRILLED HEAD, FINE THREAD (10 JUN 1994) [SUPERSEDED BY NASM20073]
MS20073B (NOTICE 1), MILITARY SPECIFICATION: BOLT, MACHINE, AIRCRAFT, DRILLED HEAD, FINE THREAD (10 JUN 1994) [SUPERSEDED BY NASM20073].