A part, assembly, or system identified as essential to weapon system performance or operation to preserve life and safety of personnel
NSN 6105-01-227-3003
NSN 5920-01-265-1873
NSN 5910-01-293-7491
NSN 5960-00-275-7497
NSN 6620-01-650-1808
NSN 4140-01-167-2251
NSN 6130-00-916-1405
NSN 4140-00-421-9772
NSN 5985-00-277-7371
NSN 4140-01-634-0330
NSN 5998-00-153-9989
NSN 5915-01-209-8891