A part, assembly, or system identified as essential to weapon system performance or operation to preserve life and safety of personnel
NSN 5835-01-416-6455
NSN 5935-00-965-5015
NSN 6320-01-459-6992
NSN 5985-01-070-3902
NSN 5965-00-961-1627
NSN 5998-00-107-2419
NSN 5945-01-531-5325
NSN 6620-01-189-8153
NSN 5925-00-235-0046
NSN 5920-00-254-4844
NSN 6320-00-593-0379
NSN 5965-01-590-7085