Used on nitrogen generator. 3a center bulkhead thread class 20 all ends thread quantity per inch bulkhead union passivate surface treated flaremess w/ bulkhead threads un all ends thread series
Used on f-16 aircraft combat fighter. pipe is used for connection thru panels or bulkhead up to 1/2 inch thick; also includes 7/8 inch hex nut; nha nsn 4920-01-386-5929-test stand, hydraulic system component rigid, wrenching facilities each end npt all ends thread series