3a external thread class right-hand external 1.281" overall length 12 external thread quantity per inch passivate surface treated plug, tube fitting flared (note: drilled hole is optional should not be considered as a separating characteristic unj external thread series
3a all ends thread class 3.081" overall length bulkhead threads on fluid end connection passivate body surface treated male coupling half unf all ends thread series
3b all ends thread class 2.625" overall length 12 all ends thread quantity per inch cadmium body surface treated male coupling half unj all ends thread series
3a 2nd end thread class precious metal, gold, weight, 0.0020 pound per tee, gold brazing ring located on first passivate inside surface treated unf 2nd end thread series
