A part, assembly, or system identified as essential to weapon system performance or operation to preserve life and safety of personnel
NSN 6150-00-936-5387
NSN 5920-00-081-0537
NSN 5925-00-174-8818
NSN 5835-01-645-2892
NSN 5945-01-309-2057
NSN 6610-01-010-4516
NSN 5945-01-289-0940
NSN 6110-00-314-3208
NSN 5895-00-065-4845
NSN 5855-01-597-4404
NSN 4140-01-563-9740
NSN 5935-01-128-1949