Used on acft model h-1 helo. 3a thread class right-hand hexagon head style 20 thread quantity per inch 0.250 in. min. depth of hex, 0.400 in. max. drill depth unf thread series
3a thread class right-hand 1.969" thread length pan head style 32 thread quantity per inch navy special project cadmium screw surface treated unjc thread series
3a thread class right-hand 0.735" thread length flat countersunk head style 5.365" grip length 20 thread quantity per inch passivate surface treated unjf thread series
3a thread class right-hand 0.735" thread length flat countersunk head style 5.115" grip length 20 thread quantity per inch navy special project passivate surface treated unjf thread series
3a thread class right-hand 0.425" thread length flat countersunk head style 0.302" grip length 28 thread quantity per inch navy special project passivate surface treated unjf thread series
3a thread class right-hand 0.338" thread length flat countersunk head style 0.178" grip length 32 thread quantity per inch navy special project passivate surface treated unjf thread series
A3a thread class right-hand 0.469" thread length flat countersunk head style 0.990" grip length 24 thread quantity per inch navy special project passivate surface treated unjf thread series
3a thread class right-hand 0.338" thread length flat countersunk head style 0.740" grip length 32 thread quantity per inch passivate surface treated unjf thread series
3a thread class right-hand 0.469" thread length flat countersunk head style 0.865" grip length 24 thread quantity per inch navy special project passivate surface treated unjf thread series
3a thread class right-hand 0.469" thread length flat countersunk head style 1.428" grip length 24 thread quantity per inch navy special project passivate surface treated unjf thread series
3a thread class right-hand 1.127" thread length flat chamfer head style 0.061" hole diameter 24 thread quantity per inch silver surface treated unrf thread series
3a thread class right-hand 0.828" thread length double hexagon w/hole head style 1.740" grip length 18 thread quantity per inch navy special project passivate surface treated unjf thread series
3a thread class right-hand 0.828" thread length double hexagon w/hole head style 1.552" grip length 18 thread quantity per inch navy special project passivate surface treated unjf thread series
3a thread class right-hand 0.665" thread length double hexagon w/hole head style 0.050" hole diameter 1.365" grip length 20 thread quantity per inch navy special project passivate surface treated unjf thread series
3a thread class right-hand 0.412" thread length double hexagon w/hole head style 0.032" hole diameter 0.865" grip length 28 thread quantity per inch navy special project passivate surface treated unjf thread series
3a thread class right-hand 0.412" thread length double hexagon w/hole head style 1.177" grip length 28 thread quantity per inch navy special project passivate surface treated unjf thread series
3a thread class right-hand 0.761" thread length double hexagon w/hole head style 2.052" grip length 20 thread quantity per inch navy special project passivate surface treated unjf thread series
3a thread class right-hand 0.334" thread length double hexagon w/hole head style 1.365" grip length 32 thread quantity per inch navy special project passivate surface treated unjf thread series
3a thread class right-hand 0.278" thread length oval head style 0.295" hole diameter 16 thread quantity per inch undercut between shoulder unjf thread series
3a thread class right-hand 0.548" thread length hexagon head style 2.172" grip length 24 thread quantity per inch cadmium surface treated unf thread series