A part, assembly, or system identified as essential to weapon system performance or operation to preserve life and safety of personnel
NSN 5945-00-215-8287
NSN 2925-01-175-1217
NSN 6135-01-631-4483
NSN 5915-01-054-6015
NSN 5998-01-645-8702
NSN 5950-01-481-9133
NSN 6685-01-303-2211
NSN 5996-01-420-5069
NSN 6620-01-285-4685
NSN 5999-01-534-1518
NSN 6130-00-051-0810
NSN 5910-01-644-2877