A part, assembly, or system identified as essential to weapon system performance or operation to preserve life and safety of personnel
NSN 6145-00-160-2012
NSN 5990-00-736-8778
NSN 5960-00-161-3728
NSN 6620-00-738-7836
NSN 6150-00-614-9568
NSN 5996-01-006-4262
NSN 6240-01-265-0960
NSN 6150-01-012-3971
NSN 5895-01-275-7584
NSN 2925-01-157-9204
NSN 6650-01-628-0984
NSN 6240-01-542-8886