A part, assembly, or system identified as essential to weapon system performance or operation to preserve life and safety of personnel
NSN 6610-01-287-9814
NSN 6135-00-725-5132
NSN 5910-01-430-0017
NSN 5945-01-203-3256
NSN 5915-01-103-7999
NSN 5935-01-315-7448
NSN 5855-01-321-3881
NSN 5920-00-261-9848
NSN 7035-01-440-8877
NSN 5925-00-466-7308
NSN 2925-00-957-7329
NSN 5855-01-381-7493