A part, assembly, or system identified as essential to weapon system performance or operation to preserve life and safety of personnel
NSN 6685-00-213-7452
NSN 6220-01-393-5111
NSN 2925-01-595-4345
NSN 7035-01-630-2123
NSN 5930-01-541-7315
NSN 6645-01-384-0628
NSN 5965-00-762-0630
NSN 5998-00-671-1242
NSN 6220-01-497-7229
NSN 6110-01-607-0891
NSN 5975-01-207-9281
NSN 6110-01-413-1514