A part, assembly, or system identified as essential to weapon system performance or operation to preserve life and safety of personnel
NSN 5910-00-269-3104
NSN 5835-01-199-5902
NSN 6110-01-080-8677
NSN 6105-01-486-4354
NSN 5925-01-197-4686
NSN 5855-01-579-1555
NSN 7035-01-615-8854
NSN 5950-00-300-4763
NSN 5925-01-646-3988
NSN 5915-01-101-7840
NSN 4140-00-166-8023
NSN 6240-00-469-7986