A part, assembly, or system identified as essential to weapon system performance or operation to preserve life and safety of personnel
NSN 5960-01-443-4861
NSN 5905-00-135-2134
NSN 5990-00-967-3797
NSN 5905-01-104-2544
NSN 6130-00-558-5844
NSN 6130-00-252-5445
NSN 2925-01-660-0669
NSN 6145-01-427-3520
NSN 5990-00-351-5479
NSN 6150-01-572-2929
NSN 6130-01-039-7418
NSN 6610-01-199-9367