MS15981D, MILITARY STANDARD: FASTENERS, EXTERNALLY THREADED, SELF-LOCKING, DESIGN AND USAGE LIMITATIONS FOR (27 OCT 1967) [S/S BY NASM15981]
MS15981D, MILITARY STANDARD: FASTENERS, EXTERNALLY THREADED, SELF-LOCKING, DESIGN AND USAGE LIMITATIONS FOR (27 OCT 1967) [S/S BY NASM15981].