A part, assembly, or system identified as essential to weapon system performance or operation to preserve life and safety of personnel
NSN 5935-01-374-9390
NSN 5975-01-582-9675
NSN 5910-01-501-6192
NSN 2925-01-562-1663
NSN 5998-01-494-8088
NSN 5935-00-587-1664
NSN 6645-01-641-4998
NSN 6130-00-281-2828
NSN 6620-01-515-9597
NSN 7035-00-521-6423
NSN 5975-00-269-8391
NSN 6150-01-173-5949