A part, assembly, or system identified as essential to weapon system performance or operation to preserve life and safety of personnel
NSN 6620-01-032-3937
NSN 6105-01-634-0322
NSN 5935-00-890-0606
NSN 7035-01-347-6110
NSN 5996-01-421-2416
NSN 5950-00-678-2860
NSN 6220-00-406-8098
NSN 6610-00-150-7002
NSN 6620-01-278-8028
NSN 5915-00-073-8606
NSN 6645-01-408-6568
NSN 6145-00-233-6010