A part, assembly, or system identified as essential to weapon system performance or operation to preserve life and safety of personnel
NSN 5935-00-557-6361
NSN 5990-01-555-6616
NSN 2925-00-228-4021
NSN 6610-00-682-6215
NSN 6320-01-388-1067
NSN 6220-01-357-7675
NSN 5965-00-988-6854
NSN 6110-01-310-7995
NSN 6105-00-832-2125
NSN 6320-01-612-7035
NSN 5960-00-244-8044
NSN 6135-00-351-8606