A part, assembly, or system identified as essential to weapon system performance or operation to preserve life and safety of personnel
NSN 5999-01-035-8700
NSN 5985-00-899-6164
NSN 5935-01-444-4472
NSN 5925-01-368-3723
NSN 6130-01-411-6284
NSN 6110-01-027-1172
NSN 6130-00-503-5099
NSN 7035-01-310-2587
NSN 5999-00-411-2885
NSN 4140-00-311-6329
NSN 6645-00-405-1077
NSN 5985-01-073-2974