A part, assembly, or system identified as essential to weapon system performance or operation to preserve life and safety of personnel
NSN 6240-01-655-7354
NSN 5965-01-398-9579
NSN 5935-00-463-2417
NSN 5960-01-425-1454
NSN 6110-01-178-2848
NSN 6145-00-686-8651
NSN 5935-00-595-9262
NSN 5925-01-017-1036
NSN 5895-00-673-6750
NSN 5920-00-311-3953
NSN 5999-01-620-7411
NSN 5905-00-835-6827