A part, assembly, or system identified as essential to weapon system performance or operation to preserve life and safety of personnel
NSN 6150-01-070-3304
NSN 7035-01-063-0453
NSN 5990-01-503-9804
NSN 6105-01-112-6347
NSN 6645-01-492-5304
NSN 5960-00-402-2012
NSN 5999-00-317-3176
NSN 6220-00-460-0484
NSN 5950-01-186-6736
NSN 6110-01-550-4713
NSN 5985-00-976-3304
NSN 6145-01-061-4946