A part, assembly, or system identified as essential to weapon system performance or operation to preserve life and safety of personnel
NSN 6610-01-421-4396
NSN 6105-01-154-1062
NSN 4140-01-307-0272
NSN 6240-01-132-1634
NSN 5925-01-144-0445
NSN 7035-01-359-6108
NSN 5925-01-231-9348
NSN 7035-01-082-6250
NSN 2925-01-113-6904
NSN 6240-01-044-5049
NSN 5905-00-104-9920
NSN 5935-00-439-0688