A part, assembly, or system identified as essential to weapon system performance or operation to preserve life and safety of personnel
NSN 6685-00-136-3151
NSN 6135-01-275-1363
NSN 6145-01-128-3085
NSN 5999-01-212-5810
NSN 6135-00-284-1406
NSN 7035-00-445-9657
NSN 6610-01-202-7404
NSN 6145-00-669-6757
NSN 5905-01-427-3804
NSN 6110-01-564-3365
NSN 5985-00-952-3327
NSN 6150-00-244-2664