Used on tank,full tracked,xm1;tank full tracked,m1 with improved armor. flange width on opposite side:0.140 in passivate surface treated 22c solid, external flange one end
3a thread class right-hand 0.2840" thread length 1.3490" overall length 28 thread quantity per inch od crowned on a 10 in. radius; 10 pct molybdenum disulfide, 81755, fms-0169; NAS516-1 lubrication fitting on stud end chromium outer ring surface treated cam follower unf thread series