3a 1st end thread class extended washer 0.060 in. by 0.970 dia at base of external tube thds passivate inside surface treated unf 1st end thread series
Used on 20 ton wheel mounted crane,harnischfeger model m320rt;2320-01-442-1940, truck, cbt, (command bridge transporter);2320-01-097-0248,2320-01-097-0249,2320-01-100-7672,2320-01-097-0260,2320-01-195-7641 hemtt family (heavy expanded mobility tactical trucks). 2a all ends thread class 12 all ends thread quantity per inch un all ends thread series
Used on aircraft, strato lift c-135. 3a 1st end thread class 12 2nd end thread quantity per inch cadmium inside surface treated unj 2nd end thread series
Used on helicopter, sea king h-3. 3a 1st end thread class 12 2nd end thread quantity per inch weapon system essential cadmium surface treated unj 2nd end thread series
