Used on m109a2,a3 self-propelled howitzer. 3a 3rd end thread class first end bulkhead, unf, 0.562 in. thd size 3a class cadmium inside surface treated unf 1st end thread series
3a 2nd end thread class 20 3rd end thread quantity per inch first end bulkhead, unf, 0.438 in. thd size, 3a thd class passivate inside surface treated unf 1st end thread series
2a 1st end thread class second end bulkhead, unf, 0.750 in. thd size, 2a class; supports anthony model mlt 6-2 forklift, 6000 lb.; nsn 3930003271575 unf 1st end thread series
3a 2nd end thread class first end per MS33515 style s, second end per MS33515 style s, third end per MS33649 passivate inside surface treated unf all ends thread series
3a 2nd end thread class 18 3rd end thread quantity per inch first end bulkhead, unf, 0.438 in. thd size, 3a class anodize inside surface treated unf 1st end thread series
