A part, assembly, or system identified as essential to weapon system performance or operation to preserve life and safety of personnel
NSN 5998-01-403-2586
NSN 5999-01-195-6930
NSN 6320-01-150-5378
NSN 6110-01-554-7406
NSN 6645-01-131-8122
NSN 6620-01-142-8277
NSN 5960-01-384-4603
NSN 5935-00-466-7379
NSN 5965-01-185-2026
NSN 5950-01-124-0851
NSN 7035-01-546-2546
NSN 6130-00-543-1302