A part, assembly, or system identified as essential to weapon system performance or operation to preserve life and safety of personnel
NSN 6105-01-091-7461
NSN 6220-01-607-1917
NSN 5935-00-765-1238
NSN 6145-01-369-0829
NSN 6620-00-518-3595
NSN 5965-00-424-9636
NSN 5950-00-617-3969
NSN 4140-01-363-2258
NSN 6150-00-830-9535
NSN 5965-01-348-8761
NSN 2925-00-118-2114
NSN 5990-01-277-9753