A part, assembly, or system identified as essential to weapon system performance or operation to preserve life and safety of personnel
NSN 6145-01-323-6509
NSN 5975-01-258-1046
NSN 5965-01-282-4587
NSN 6135-01-523-0370
NSN 5895-00-009-0127
NSN 6645-01-514-6603
NSN 5935-01-341-4483
NSN 5999-00-110-8130
NSN 5910-01-280-6429
NSN 5925-01-188-4303
NSN 5920-01-485-4146
NSN 6150-00-129-9082