MS51923C (NOTICE-1), MILITARY STANDARD: PIN, SPRING-TUBULAR, COILED, MEDIUM DUTY (01-OCT-1998) [S/S BY NASM51923]
MS51923C (NOTICE-1), MILITARY STANDARD: PIN, SPRING-TUBULAR, COILED, MEDIUM DUTY (01-OCT-1998) [S/S BY NASM51923]., MS51923C, dated 23 MAY 1969, is hereby canceled and superseded by NASM51923.
The Part Identification Numbers (PIN) for MS51923C and the part numbers for NASM51923 are identical. The part numbers have not been changed.