A part, assembly, or system identified as essential to weapon system performance or operation to preserve life and safety of personnel
NSN 6135-00-269-5843
NSN 6105-01-166-3902
NSN 6240-00-617-9599
NSN 6645-01-576-6733
NSN 6645-00-309-0447
NSN 6110-01-028-5500
NSN 5945-00-959-3149
NSN 5960-01-288-8910
NSN 5895-01-495-9332
NSN 5945-01-451-3910
NSN 5996-00-715-3782
NSN 6645-01-347-8646