A part, assembly, or system identified as essential to weapon system performance or operation to preserve life and safety of personnel
NSN 6220-01-597-0488
NSN 5920-01-441-9877
NSN 5915-01-445-6577
NSN 6650-01-429-4796
NSN 6105-01-145-2681
NSN 6145-00-478-3314
NSN 5910-01-382-4889
NSN 5925-01-202-4332
NSN 5930-01-256-9629
NSN 2925-00-278-9468
NSN 5930-00-104-6148
NSN 4140-01-508-4512