3a thread class right-hand 0.725" thread length spline drive shear head head style 1.615" grip length 18 thread quantity per inch passivate surface treated unjf thread series
3a thread class right-hand 0.868" thread length double hexagon w/hole head style 0.050" hole diameter 2.365" grip length 18 thread quantity per inch navy special project passivate surface treated unjf thread series
3a thread class right-hand 0.370" thread length dished hexagon head style 1.990" grip length 28 thread quantity per inch cadmium surface treated unjf thread series
2a thread class right-hand 9.563" thread length hexagon head style 11 thread quantity per inch bolt has a under cut 0.0625 in. long by 0.480 in. dia under surface of head unc thread series
3a thread class right-hand flush countersunk head style 0.307" grip length 28 thread quantity per inch light blue identification on top of head passivate surface treated unjf thread series
flush (flat) countersunk (included angle - less than 135 deg w or w/o chamfer) head style 0.150" grip length complete top surface of nut head shall be powder blasted to produce a surface finish of ra 50/80 micro" after all manufacturing operations. powder blasting on remainder of nut body is optional passivate sleeve surface treated
3a thread class right-hand 1.125" thread length hexagon head style 2.150" grip length 14 thread quantity per inch passivate surface treated unc thread series
2a nut thread asa nut thread b thread class right-hand nut thread aright-hand nut thread b 0.438" nut thread A0.438" nut thread b thread length 1.104 feet overall length 18 nut thread A18 nut thread b thread quantity per inch navy special project unc nut thread aunc nut thread b thread series
3a thread class right-hand 0.578" thread length flat countersunk head style 0.928" grip length 24 thread quantity per inch passivate surface treated unjf thread series