Used on 600,000 gal cap (3id) amphibious assult fuel system. tact airfield (3id) (m1966) fuel dispensing system.. 2b 1st end thread class unf 1st end thread series
3a 2nd end thread class 12 1st end thread quantity per inch three 0.065 in.min, 0.075 in.max dia holes drilled through hex corners, 0.203 in.from first end anodize surface treated unj 2nd end thread series
3a all ends thread class 2.705" overall length 12 all ends thread quantity per inch anodize body surface treated male coupling half un all ends thread series
3a all ends thread class drilled for lock wire 0.064 min 0.076 max in. dia passivate surface treated flared w/ center wrenching facility unf all ends thread series