A part, assembly, or system identified as essential to weapon system performance or operation to preserve life and safety of personnel
NSN 5945-00-758-1969
NSN 5855-01-235-5491
NSN 6105-01-486-3600
NSN 6150-01-644-5031
NSN 7035-01-494-1161
NSN 5999-01-365-2581
NSN 5945-01-268-2966
NSN 6610-01-200-6861
NSN 6610-01-578-1976
NSN 5960-01-101-5672
NSN 7035-01-454-3284
NSN 6135-00-284-1406