3a thread class right-hand 0.538" thread length bevel-conical head style 0.055" hole diameter 24 thread quantity per inch cadmium surface treated unf thread series
Used on wasp class lhd,tarawa class lha,virginia class cgn(41),forestal class cv,nimitz class cvn,kidd class ddg,radar. 3a thread class right-hand 0.250" thread length knurled no. 4 head style 32 thread quantity per inch passivate surface treated unf thread series
Used on spec item. 3a thread class right-hand 0.768" thread length double hexagon w/hole head style 3.490" grip length 20 thread quantity per inch cadmium surface treated unjf thread series
2a thread class right-hand 0.128" thread length flat countersunk head style 32 thread quantity per inch passivate screw surface treated unc thread series
flush (flat) countersunk (included angle - less than 135 deg w or w/o chamfer) head style 0.438" grip length a-286 cres, passivated locking ring chromate sleeve surface treated
3a thread class right-hand 0.480" thread length flat chamfer head style 26 thread quantity per inch undercut below head 0.093 in. max width, 0.020 in. min. head fillet radius; undercut below shoulder 0.125 in. max. width, 0.029 in. thru 0.035 in. thread neck fillet radius unc thread series
3a thread class right-hand 0.469" thread length dished hexagon head style 1.678" grip length 24 thread quantity per inch cadmium surface treated unjf thread series
