A part, assembly, or system identified as essential to weapon system performance or operation to preserve life and safety of personnel
NSN 5895-01-293-2090
NSN 6620-01-152-0936
NSN 5895-01-314-2031
NSN 5895-00-787-0239
NSN 5945-01-415-2228
NSN 6135-01-041-3829
NSN 6320-01-381-7023
NSN 5998-00-618-0235
NSN 5910-01-248-4890
NSN 5910-00-518-1477
NSN 5960-01-425-1454
NSN 6650-01-481-6647