A part, assembly, or system identified as essential to weapon system performance or operation to preserve life and safety of personnel
NSN 6220-00-443-6522
NSN 2925-01-495-0586
NSN 5915-01-304-5850
NSN 5920-01-451-7533
NSN 5925-01-451-0518
NSN 5985-00-924-4730
NSN 6110-01-266-7072
NSN 5910-01-439-7289
NSN 5855-01-491-4623
NSN 6320-01-239-7647
NSN 4140-01-080-8268
NSN 6150-01-099-5175