A part, assembly, or system identified as essential to weapon system performance or operation to preserve life and safety of personnel
NSN 5930-00-172-2293
NSN 6685-01-529-6990
NSN 5990-01-124-9063
NSN 5945-00-692-2183
NSN 5910-01-622-5674
NSN 5905-01-648-6667
NSN 6320-01-371-3047
NSN 5950-01-651-4716
NSN 5910-01-551-1268
NSN 6130-01-241-9509
NSN 7035-01-150-6303
NSN 5960-01-399-4327