2b internal thread class right-hand internal 12 internal thread quantity per inch passivate surface treated cap, tube, flared un internal thread series
Used on 02n strategic weapon systems(poseidon and trident). 2a all ends thread class passivate surface treated flared w/ center wrenching facility unf all ends thread series
3a all ends thread class 2.307" overall length bulkhead threads on fluid end connection anodize body surface treated male coupling half unf all ends thread series