Used on aircraft, b-2 bomber (atb). 2 all ends thread class 12 all ends thread quantity per inch 45 degree swivel elbow working pressure 3, 000.0 psig, proof pressure 6, 000.0 psig, burst pressure 12, 000.0 psig. unj all ends thread series
Used on nsn1520-01-125-5476 - helicopter, observation (ahip) oh-58d. 3a 2nd end thread class elbow, 90 degree universal, flareless tube, low profile unjf 2nd end thread series