A part, assembly, or system identified as essential to weapon system performance or operation to preserve life and safety of personnel
NSN 5910-01-102-0906
NSN 5975-00-178-1514
NSN 5998-00-248-7472
NSN 6320-01-522-0318
NSN 6130-00-196-0618
NSN 5855-00-763-2155
NSN 6320-01-578-6006
NSN 5975-00-615-9854
NSN 5998-00-167-7673
NSN 5935-01-502-3367
NSN 5990-00-822-9269
NSN 5935-00-639-1382