Used on spec item. 3a thread class right-hand 0.579" thread length double hexagon w/hole head style 0.045" hole diameter 3.740" grip length 24 thread quantity per inch cadmium surface treated unjf thread series
3a thread class right-hand 0.542" thread length flat countersunk head style 28 thread quantity per inch passivate fastener surface treated unjf thread series
3a thread class right-hand 0.276" thread length flat countersunk head style 32 thread quantity per inch cadmium screw surface treated for repair work only; oversize shank; 0.2172 in. min unf thread series
3a thread class right-hand 0.276" thread length flat countersunk head style 32 thread quantity per inch cadmium screw surface treated for repair work only; oversize shank; 0.2172 in. min unf thread series
3a thread class right-hand 0.434" thread length flat chamfer head style 40 thread quantity per inch navy special project oxide surface treated unc thread series
3a thread class right-hand 0.240" thread length flat chamfer head style 32 thread quantity per inch straight knurl passivate surface treated unf thread series
2a thread class right-hand 0.365" thread length hexagon head style 24 thread quantity per inch weapon system essential zinc fastener surface treated unf thread series
