2b 1st end thread class supports clark model 290m; tractor; wheeled, ind., diesel driven; med dbp, nsn 2420000889384, w/rops nsn 2420010590090 nptf 2nd end thread series
Used on aircraft, av-8b, e-3a, f-14, f-16, f/a-18, f-402, t-37, t-38, 463l. 3a 2nd end thread class center wrenching; weapon system essential cadmium surface treated anpt 2nd end thread series