A part, assembly, or system identified as essential to weapon system performance or operation to preserve life and safety of personnel
NSN 5835-01-386-4027
NSN 7035-01-633-9537
NSN 6320-01-652-3806
NSN 6145-01-654-6699
NSN 5905-01-386-3180
NSN 5935-01-456-1272
NSN 6105-01-330-4601
NSN 5915-01-424-0767
NSN 5998-00-907-1857
NSN 6110-00-144-6763
NSN 5985-01-135-4432
NSN 5950-01-502-7019