A part, assembly, or system identified as essential to weapon system performance or operation to preserve life and safety of personnel
NSN 5965-01-426-3191
NSN 5895-00-955-5569
NSN 5975-01-651-3597
NSN 5915-01-254-3810
NSN 6645-01-034-6037
NSN 6135-00-452-2266
NSN 5935-01-519-9349
NSN 7035-01-175-4321
NSN 5910-00-269-3537
NSN 5950-01-521-3675
NSN 6645-01-204-7094
NSN 6220-01-629-7149