3a thread class right-hand 0.650" thread length flat countersunk head style 1.678" grip length 20 thread quantity per inch passivate surface treated unjf thread series
3a thread class right-hand 0.490" thread length double hexagon head style 0.865" grip length 24 thread quantity per inch passivate surface treated unjf thread series
2a thread class right-hand 1.375" thread length hexagon head style 18 thread quantity per inch screw, cap, hexagon head zinc surface treated unf thread series
3a thread class right-hand 0.296" thread length flat countersunk head style 24 thread quantity per inch cadmium screw surface treated unf thread series
3a thread class right-hand 0.685" thread length double hexagon extended washer head style 0.932" grip length 24 thread quantity per inch unjf thread series
3a thread class right-hand 0.751" thread length double hexagon head style 1.865" grip length 18 thread quantity per inch passivate surface treated unjf thread series
3a thread class right-hand 0.783" thread length flat chamfer head style 32 thread quantity per inch furnished with flat washer per NAS620C6 brazed to screw iaw mil-b-7883 ty optional gr b cadmium surface treated unrc thread series
3a thread class right-hand 0.533" thread length flat chamfer head style 32 thread quantity per inch navy special project furnished with flat washer per NAS620C6 brazed to screw iaw mil-b-7883 ty optional gr b cadmium surface treated unrc thread series
3a thread class right-hand 0.158" thread length flat chamfer head style 32 thread quantity per inch furnished with flat washer per NAS620C6 brazed to screw iaw mil-b-7883 ty optional gr b cadmium surface treated unrc thread series
3a thread class right-hand 0.658" thread length flat chamfer head style 32 thread quantity per inch cadmium fastener surface treated unrf thread series
3a thread class right-hand 0.417" thread length flat countersunk head style 28 thread quantity per inch passivate fastener surface treated unjf thread series
3a thread class right-hand 0.350" thread length flat countersunk head style 32 thread quantity per inch passivate fastener surface treated unjc thread series
Used on spec item. 2b nut thread thread class right-hand nut thread 0.468" nut thread thread length 18 nut thread thread quantity per inch welding unc nut thread thread series
Used on spec item. 2a nut thread thread class right-hand nut thread 16 nut thread thread quantity per inch arc shield heat resistant ceramic welding unc nut thread thread series