A part, assembly, or system identified as essential to weapon system performance or operation to preserve life and safety of personnel
NSN 6685-01-245-7956
NSN 6220-01-288-3058
NSN 6110-00-359-5571
NSN 5935-00-230-8142
NSN 6645-00-102-0015
NSN 6620-01-519-2628
NSN 5945-01-234-7915
NSN 5855-01-434-8467
NSN 5895-01-555-0172
NSN 4140-01-580-3291
NSN 5985-01-335-3370
NSN 6610-01-282-3225