A part, assembly, or system identified as essential to weapon system performance or operation to preserve life and safety of personnel
NSN 5915-01-220-2979
NSN 5945-00-422-2994
NSN 6135-01-035-1871
NSN 7035-00-703-3535
NSN 6610-00-365-4454
NSN 5996-00-456-0895
NSN 5996-01-166-5716
NSN 5915-00-752-4458
NSN 5990-01-303-6110
NSN 5920-01-616-5228
NSN 5910-00-522-5208
NSN 5960-01-355-2968