Used on howitzer,medium,self-propelled. right-hand 1.000" thread length pan head style 32 thread quantity per inch zinc screw surface treated unf thread series
Used on 3990-01-307-7676 flatrack,palletized loading system; 3990-01-444-5196 cement mixer. 3/8" diam.; 3p. pin; steel; tapered in middle; run between 2 pulleys
3a thread class right-hand 0.740" thread length crowned hexagon head style 32 thread quantity per inch mark steel bolts with recessed "x" cadmium surface treated unjf thread series
3a thread class right-hand countersunk w/reverse chamfer head style 0.500" grip length 28 thread quantity per inch major diameter: 0.2486 in. cadmium surface treated unjf thread series