A part, assembly, or system identified as essential to weapon system performance or operation to preserve life and safety of personnel
NSN 5990-01-463-2279
NSN 5996-01-067-8303
NSN 5965-00-412-4402
NSN 5950-00-136-0855
NSN 5965-01-284-5076
NSN 6240-00-594-7138
NSN 5965-01-197-6924
NSN 6320-01-451-0821
NSN 6105-01-106-3221
NSN 5945-01-253-4299
NSN 6610-01-512-8154
NSN 5835-01-219-0586