2a thread class right-hand 0.313" thread length flat countersunk head style 32 thread quantity per inch passivate screw surface treated unc thread series
3a thread class right-hand 0.999" thread length fillister head style 0.069" hole diameter 18 thread quantity per inch cadmium screw surface treated unc thread series
3a thread class right-hand 0.376" thread length flat countersunk head style 32 thread quantity per inch cadmium screw surface treated unf thread series
3a thread class right-hand 0.590" thread length dee chamfer head style 16 thread quantity per inch cadmium threads surface treated counterbore unthreaded uns thread series
3a thread class right-hand 0.138" thread length hexagon head style 28 thread quantity per inch nickel surface treated concentric hole unthreaded unf thread series
3a nut thread thread class right-hand nut thread 0.500" stud thread thread length 2.000" overall length 24 stud thread thread quantity per inch 0.195 in. dia hole drilled through center of largest unthd portion of stud shouldered unf nut thread thread series
3a nut thread thread class right-hand nut thread 0.346" stud thread thread length 1.520" overall length 18 stud thread thread quantity per inch two shoulders, second shoulder 0.570 in. min. 0.590 in. max length from shoulder to nut end, 0.590 in. min 0.600 in. max dia, 0.240 in. min 0.260 in. max dia between shoulders cadmium surface treated shouldered uns stud thread thread series
3a nut thread thread class right-hand nut thread 0.530" nut thread thread length 24 nut thread thread quantity per inch 0.092 in. cotter pin hole dia in stud end; 0.240 in. distance from center of hole to stud end unf nut thread thread series
3a thread class right-hand 0.750" thread length flat chamfer head style 32 thread quantity per inch chromate zinc screw surface treated unf thread series
