A part, assembly, or system identified as essential to weapon system performance or operation to preserve life and safety of personnel
NSN 6220-01-347-8131
NSN 6685-01-378-6081
NSN 7035-01-137-6206
NSN 5999-01-050-7854
NSN 5960-00-929-9620
NSN 5920-01-159-7949
NSN 5960-00-716-7655
NSN 6320-01-573-6490
NSN 5935-01-467-7511
NSN 6145-01-509-3393
NSN 6150-01-246-3339
NSN 5950-01-048-2315