A part, assembly, or system identified as essential to weapon system performance or operation to preserve life and safety of personnel
NSN 5910-01-115-9709
NSN 2925-00-338-4667
NSN 6145-01-184-0967
NSN 6145-01-094-5146
NSN 6650-00-403-5251
NSN 6610-01-395-7441
NSN 5895-01-331-7947
NSN 5990-01-644-3095
NSN 6240-00-168-1474
NSN 4140-01-231-0742
NSN 5925-00-548-7068
NSN 6145-01-271-9650