Used on howitzer;howitzer, medium, towed, 155mm. 3a thread class right-hand 1.125" thread length flat chamfer head style 16 thread quantity per inch phosphate zinc surface treated unc thread series
3a thread class right-hand 1.000" thread length flat chamfer head style 0.044" hole diameter 28 thread quantity per inch cadmium surface treated unrf thread series
3a thread class right-hand 0.433" thread length dished hexagon head style 3.802" grip length 24 thread quantity per inch cadmium surface treated unjf thread series
2a thread class right-hand 2.008" thread length knurled no. 4 head style 20 thread quantity per inch shank 0.200 inch nom dia, 0.250 inch nom length. undercut on point end 0.070 inch min passivate surface treated unc thread series
3a thread class right-hand 1.873" thread length double hexagon extended washer head style 18 thread quantity per inch cadmium surface treated unf thread series
3a nut thread a thread class right-hand nut thread a 0.317" nut thread a thread length 13.210" overall length 24 nut thread a thread quantity per inch unjf nut thread a thread series
3a thread class right-hand 2.005" grip length 24 thread quantity per inch 125000 single pounds per square inch shear strength cadmium surface treated unjf thread series
