A part, assembly, or system identified as essential to weapon system performance or operation to preserve life and safety of personnel
NSN 5915-01-459-7486
NSN 4140-01-370-4868
NSN 4140-01-036-4647
NSN 7035-01-628-7988
NSN 6685-01-433-7958
NSN 6130-01-094-2037
NSN 5960-01-425-1454
NSN 6240-01-544-5712
NSN 5935-01-516-4236
NSN 5895-01-025-9295
NSN 6610-01-317-4859
NSN 5998-01-526-7852