MS51921F (NOTICE 2), MILITARY STANDARD: SEAL, PLAIN ENCASED: SINGLE SEALING MEMBER, FACE TYPE (30 JUL 2001) [SUPERSEDED BY A-A-52524/18].
MS51921F (NOTICE 2), MILITARY STANDARD: SEAL, PLAIN ENCASED: SINGLE SEALING MEMBER, FACE TYPE (30 JUL 2001) [SUPERSEDED BY A-A-52524/18].