A part, assembly, or system identified as essential to weapon system performance or operation to preserve life and safety of personnel
NSN 6320-00-521-9350
NSN 7035-01-029-7221
NSN 7035-00-275-5604
NSN 5835-01-299-5055
NSN 5835-00-997-4680
NSN 6145-01-023-1526
NSN 5999-01-658-6147
NSN 5910-00-103-0284
NSN 6145-00-481-8737
NSN 5945-01-549-3377
NSN 5925-00-355-6124
NSN 7035-01-201-6329