3a thread class right-hand 0.420" thread length double hexagon extended washer head style 2.770" grip length 32 thread quantity per inch navy special project undercut head oxide surface treated unjf thread series
3a thread class right-hand 0.794" thread length double hexagon extended washer head style 1.245" grip length 24 thread quantity per inch unjf thread series
3a thread class right-hand flush countersunk head style 0.505" grip length 24 thread quantity per inch 125000 single pounds per square inch shear strength passivate surface treated unjf thread series
flush (flat) countersunk (included angle - less than 135 deg w or w/o chamfer) head style 0.188" grip length ns" letters after the material code "b" indicate no preference to lock type (may be visible or internal) . rivets with no letter code (indicating visible lock type) chromate sleeve surface treated
3a thread class right-hand 0.386" thread length flat countersunk head style 1.428" grip length 28 thread quantity per inch navy special project cadmium or cadmium surface treated unjf thread series
3a thread class right-hand 0.338" thread length flat countersunk head style 0.753" grip length 32 thread quantity per inch cadmium surface treated unjf thread series
3a thread class right-hand 0.320" thread length dished hexagon head style 0.052" grip length 32 thread quantity per inch cadmium surface treated unjf thread series
3a thread class right-hand 0.495" thread length flat chamfer head style 20 thread quantity per inch cadmium fastener surface treated unrc thread series
3a thread class right-hand 0.400" thread length flat countersunk head style 28 thread quantity per inch passivate screw surface treated unjf thread series
3a thread class right-hand 0.320" thread length dished hexagon head style 0.240" grip length 32 thread quantity per inch passivate surface treated unjf thread series
4.035" inside diameter 4.479" outside diameter 0.058" major thickness special flat ring style 25500.0 pounds per square inch tensile strength rating cadmium surface treated
2a nut thread a thread class right-hand nut thread a 2.000" nut thread a thread length 89.750" overall length 20 nut thread a thread quantity per inch unf nut thread a thread series
3a thread class right-hand flush countersunk head style 0.626" grip length 28 thread quantity per inch 156000 single pounds per square inch shear strength nickel surface treated unjf thread series
3a thread class right-hand 1.005" grip length 32 thread quantity per inch 95000 single pounds per square inch shear strength anodize surface treated unjf thread series
