3a thread class right-hand 0.578" thread length dished hexagon head style 2.375" grip length 24 thread quantity per inch shall be in accordance with all requirements as specified in national aerospace standard nas 6603 through 6620 cadmium surface treated unjf thread series
3a thread class right-hand 0.599" thread length spline drive shear head head style 3.115" grip length 20 thread quantity per inch passivate surface treated unjf thread series
3b thread class right-hand nut, finish, solid film lube per mil-l-8937; material, nut: steel, comp 303se, per ams 5640 or astm A582 passivate washer surface treated unjf thread series
3b thread class right-hand flush (flat) countersunk (included angle - less than 135 deg w or w/o chamfer) head style 0.188" grip length anodize sleeve surface treated unjf thread series
3a thread class right-hand 0.345" thread length flat countersunk head style 0.938" grip length 32 thread quantity per inch passivate surface treated unjf thread series
3a thread class right-hand 0.649" thread length spline drive shear head head style 1.178" grip length 20 thread quantity per inch passivate surface treated unjf thread series
3b thread class right-hand nut finish, solid film lube per mil-l-8937; material, nut: steel, comp 303se, per ams 5640 or astm A582 passivate washer surface treated unjc thread series
