A part, assembly, or system identified as essential to weapon system performance or operation to preserve life and safety of personnel
NSN 6145-00-617-4032
NSN 5999-01-309-8755
NSN 5945-00-135-7120
NSN 5945-01-431-8124
NSN 5920-00-018-9248
NSN 6620-00-450-6990
NSN 6145-01-575-0301
NSN 5915-00-826-1603
NSN 5996-00-132-4203
NSN 6320-01-201-2776
NSN 5915-00-353-0853
NSN 6150-00-857-0059