3a 3rd end thread class 12 1st end thread quantity per inch machined groove in flared ends toaccommodate seal ring per KC103 passivate body surface treated un 3rd end thread series
Used on 92f support equipment, f-16 aircraft. 2a all ends thread class 12 all ends thread quantity per inch weapon system essential passivate surface treated un all ends thread series
3a all ends thread class 2.250" overall length 12 first quick disconnect end thread quantity per inch anodize body surface treated male coupling half un all ends thread series