2a thread class right-hand 1.620" thread length flat countersunk head style 9 thread quantity per inch cadmium or zinc surface treated unc thread series
Used on 3990-01-444-5196 cement mixer. 2a thread class right-hand 0.750" thread length button head style 20 thread quantity per inch cadmium or zinc surface treated unc thread series
2a thread class right-hand 0.406" thread length flat chamfer head style 18 thread quantity per inch head end drilled passivate surface treated unc thread series
2a thread class right-hand 1.000" thread length button head style 16 thread quantity per inch drilled for cotter pin 0.098 in. dia 1.875 in. from bearing surface of head passivate surface treated unc thread series
2a thread class right-hand 1.000" thread length button head style 16 thread quantity per inch furnished with one square nut in accordance with federal specification ff-n-836 TYPE1 STYLE1 cadmium or zinc surface treated unc thread series