right-hand 0.425" thread length hexagon head style 1.625" grip length 28 thread quantity per inch bolt, hex head 160 ksi min tensile long thread A286 self-locking cadmium surface treated unf thread series
3a thread class right-hand 0.453" thread length dished hexagon head style 2.766" grip length 20 thread quantity per inch std: bolt, shear, hexagon head modified, 95 ksi fsu, short thread inactive for new design after july 1, 1976; see NAS6203-6220 cadmium surface treated unjf thread series
3a thread class right-hand 0.578" thread length dished hexagon head style 2.865" grip length 24 thread quantity per inch bolt shear hexagon head 108 ksi shear long thread cadmium surface treated unjf thread series
3a thread class right-hand 0.422" thread length hexagon head style 4.500" grip length 20 thread quantity per inch bolt - shear, close tolerance no cotter pin hole in bolt cadmium surface treated unjf thread series
3a thread class right-hand 0.500" thread length hexagon head style 1.000" grip length 18 thread quantity per inch bolt - shear, close tolerance no cotter pin hole in bolt cadmium surface treated unjf thread series
3a thread class right-hand 0.528" thread length dished hexagon head style 2.865" grip length 20 thread quantity per inch bolt tension hex head close tolerance alloy steel short thread reduced major thread diameter self-locking cadmium surface treated unjf thread series
3a thread class right-hand 0.370" thread length dished hexagon head style 3.115" grip length 28 thread quantity per inch bolt tension hex head close tolerance item has drilled head unjf thread series
3a thread class right-hand 0.370" thread length hexagon head style 0.938" grip length 28 thread quantity per inch anodize surface treated unjf thread series
Used on ch47 aircraft. 3a thread class right-hand 0.425" thread length dished hexagon head style 0.046" hole diameter 0.302" grip length 28 thread quantity per inch bolt cadmium surface treated unjf thread series
3a thread class right-hand 0.345" thread length hexagon head style 3.615" grip length 32 thread quantity per inch bolt tension hex head close tolerance A286 cres long thread reduced major thread diameter self-locking cadmium surface treated unjf thread series
3a thread class right-hand 0.345" thread length dished hexagon head style 1.302" grip length 32 thread quantity per inch bolt tension hex head close tolerance item has drilled shank bolt passivate surface treated unjf thread series
3a thread class right-hand 0.345" thread length dished hexagon head style 1.428" grip length 32 thread quantity per inch cadmium surface treated unjf thread series
3a thread class right-hand 0.345" thread length dished hexagon head style 1.178" grip length 32 thread quantity per inch bolt tension hex head close tolerance A286 cres long thread reduced major thread diameter self-locking item has drilled head cadmium surface treated unjf thread series
3a thread class right-hand 0.345" thread length hexagon head style 0.046" hole diameter 1.302" grip length 32 thread quantity per inch bolt tension hex head, close tolerance, A286 cres, long thread, reduced major thread diameter, self locking item has drilled head cadmium surface treated unjf thread series
3a thread class right-hand 0.425" thread length dished hexagon head style 1.178" grip length 28 thread quantity per inch bolt tension hex head close tolerance A286 cres long thread reduced major thread diameter self-locking item has drilled shank bolts cadmium surface treated unjf thread series
3a thread class right-hand hexagon head style 0.010" hole diameter 2.500" grip length 24 thread quantity per inch cadmium surface treated unjf thread series
3a thread class right-hand 0.694" thread length dished hexagon head style 0.070" hole diameter 0.990" grip length 20 thread quantity per inch item has drilled head cadmium surface treated unjf thread series
