A part, assembly, or system identified as essential to weapon system performance or operation to preserve life and safety of personnel
NSN 5935-00-274-7348
NSN 5990-00-994-0555
NSN 2925-00-827-2326
NSN 6650-01-052-0015
NSN 6240-01-656-4920
NSN 6145-01-546-8837
NSN 6320-01-592-6248
NSN 5975-01-416-7332
NSN 5915-01-104-4486
NSN 5975-00-548-7818
NSN 6610-01-269-5437
NSN 5945-01-359-8834