Used on bridge erection boat,aluminum,24 ft. 2a 2nd end thread class 18 1st end thread quantity per inch supports anthony modle mlt 6-2; nsn 3930003271575 unf 2nd end thread series
Used on poseidon submarine/navy strategic. plastic unthd external connection, 1 lg, designed for 0.438 in. id hose, located on one side of element box type
3a all ends thread class 4.949" overall length 12 all ends thread quantity per inch passivate body surface treated male coupling half un all ends thread series