A part, assembly, or system identified as essential to weapon system performance or operation to preserve life and safety of personnel
NSN 5895-00-149-7905
NSN 6610-00-253-7676
NSN 6610-00-977-1498
NSN 6130-00-808-7842
NSN 5985-01-030-9995
NSN 5855-01-380-2708
NSN 5990-01-271-1628
NSN 5990-00-754-2842
NSN 5925-01-372-0863
NSN 6645-01-196-8616
NSN 5960-01-261-6753
NSN 5999-00-390-1324