A part, assembly, or system identified as essential to weapon system performance or operation to preserve life and safety of personnel
NSN 5999-00-009-1609
NSN 6240-01-371-3020
NSN 6610-01-603-7069
NSN 5915-00-186-9346
NSN 5925-01-216-5226
NSN 5985-01-208-1466
NSN 6130-01-242-9110
NSN 5990-00-251-0965
NSN 6685-01-420-6480
NSN 6220-01-415-5698
NSN 5935-01-566-7388
NSN 5835-01-370-4292