2a all ends thread class 4.000" overall length 12 all ends thread quantity per inch plug anodize body surface treated male coupling half un all ends thread series
3a all ends thread class 4.539" overall length 12 all ends thread quantity per inch anodize body surface treated male coupling half un all ends thread series
3a thread class right-hand 12 thread quantity per inch fleet ballistic missile quality, as identified by quality control no. poso 909170 cadmium surface treated
3a 1st end thread class 12 1st end thread quantity per inch fleet ballistic missile quality, as identified by quality control no. poso 909019 cadmium inside surface treated unj 1st end thread series