2b thread class right-hand 1.687" thread length 11 thread quantity per inch tube nut, idler adjusting shouldered 1.000 in. lg from headback, 1.125 in. dia, with flat washer 1.875 in. o/s dia, 1.156 in. i/s dia
Used on w/s:truck, cargo, dropside 2 1/2-ton 6x6 w/e; small emplacement excavator (r048)/hmmh (x501); loader scoop; m1062 tanker, 7500 gal. semi-trailer. 2b thread class right-hand 13 thread quantity per inch
Used on family of hemtt vehicles (heavy expanded mobility tactical trucks). 2b thread class right-hand 14 thread quantity per inch zinc surface treated