Used on w/s; trlr, cargo, 3/4t, 2-whl, tam d08607; guided missile, intercept; trailer tank, water 400 gal, m149a2; chassis, trlr, gp, 3 1/2t, 2-whl, tam d00807; cargo trailer, m105a3. 3b thread class right-hand 16 thread quantity per inch
2b thread class right-hand 18 thread quantity per inch W0.125 in. dia. 8 holes equally spaced through wrenching flats, located 0.305 in. porm 0.010 from bearing surface; 1.875 in. dia 0.125 in. plus 0.020 in. w, circumferential groove located 0.305 in. porm 0.010 in. from bearing surface