A part, assembly, or system identified as essential to weapon system performance or operation to preserve life and safety of personnel
NSN 5960-01-462-7704
NSN 5910-01-362-1457
NSN 5990-01-268-2236
NSN 5915-01-581-2137
NSN 5835-00-166-9413
NSN 4140-00-147-5864
NSN 5910-00-206-3224
NSN 5925-00-677-1937
NSN 2925-01-484-8556
NSN 6320-01-446-8050
NSN 4140-01-437-4779
NSN 5895-00-776-6079