Used on supports grumman a10 aircraft. 3b internal thread class right-hand internal 12 internal thread quantity per inch cadmium surface treated cap, tube, flareless unj internal thread series
3a all ends thread class 3.216" overall length 6 bolt hole quantity 12 all ends thread quantity per inch anodize body surface treated male coupling half un all ends thread series
Used on 2420-00-088-9384 and 2420-01-059-0090;family of hemtt vehicles (heavy expanded mobility tactical trucks). 2a 1st end thread class 12 1st end thread quantity per inch weapon system essential nptf 2nd end thread series