3a thread class right-hand 0.506" thread length flat countersunk head style 0.802" grip length 24 thread quantity per inch passivate surface treated unjf thread series
Used on pratt and whitney gas turbine model ft4a-2, whec 378 ft u. s. coast guard vessels. 3a thread class right-hand 1.000" thread length double hexagon head style 24 thread quantity per inch used on left unf thread series
Used on ships service generator diesel engine model 8-567cr onboard 378 ft coast guard vessels. 2a thread class right-hand 0.375" thread length hexagon head style 0.250" grip length 24 thread quantity per inch unf thread series
Used on free turbine case bracket main gas turbine ft4a-2 onboard 378 ft whec and 400 ft wagb coast guard vessels. 2a thread class right-hand 1.000" thread length double hexagon head style 24 thread quantity per inch used on free turbine case bracket for 378 unf thread series
Used on breather tubes adapter external breather tubes main gas turbine ft4a-2 onboard 378 ft whec and 400 ft wagb coast guard vessels. 2a thread class right-hand 0.938" thread length double hexagon head style 20 thread quantity per inch used on gearbox elbow of 378 ft unf thread series
3a thread class right-hand 0.752" thread length hexagon head style 32 thread quantity per inch washer beneath head, depth min. 0.006 in., max. 0.016 in.; dia., min. 0.335 in. max. 0.385 in. unjf thread series
3a thread class right-hand 0.630" thread length flat countersunk undercut head style 20 thread quantity per inch furnished with one rubber o ring unjf thread series
3a thread class right-hand 0.629" thread length flat countersunk undercut head style 20 thread quantity per inch furnished with one rubber o ring unjf thread series