A part, assembly, or system identified as essential to weapon system performance or operation to preserve life and safety of personnel
NSN 5945-01-381-5487
NSN 5915-01-155-8137
NSN 6240-01-336-3580
NSN 6130-01-280-2064
NSN 5985-01-215-1677
NSN 6110-01-626-2129
NSN 5990-01-651-0170
NSN 5930-01-645-4943
NSN 5935-01-510-3978
NSN 4140-01-483-0922
NSN 5895-01-496-2741
NSN 2925-01-480-8273