A part, assembly, or system identified as essential to weapon system performance or operation to preserve life and safety of personnel
NSN 6610-01-542-2276
NSN 5915-01-647-1642
NSN 6685-01-344-5349
NSN 5895-00-707-6663
NSN 5925-00-387-3956
NSN 5925-01-487-6830
NSN 6145-01-261-5150
NSN 5998-00-404-1341
NSN 6105-00-635-9809
NSN 2925-01-422-1542
NSN 5920-01-239-2038
NSN 5920-01-309-6766