2a thread class right-hand 2.562" overall length 24 thread quantity per inch thread length 2.000 in., one hole on threads 0.094 in. dia, one hole on unthreaded portion 0.094 in. dia, unthreaded portion 0.562 in. long oxide surface treated unf thread series
3a thread class right-hand 0.630" thread length double hexagon extended washer head style 0.120" grip length 28 thread quantity per inch unjf thread series
2a thread class right-hand 0.364" thread length flat countersunk head style 16 thread quantity per inch cadmium screw surface treated unc thread series
3a thread class right-hand 0.683" grip length 28 thread quantity per inch 117000 single pounds per square inch shear strength passivate surface treated unjf thread series
3a thread class right-hand 1.245" grip length 20 thread quantity per inch 117000 single pounds per square inch shear strength passivate surface treated unjf thread series
3a thread class right-hand 2.125" grip length 32 thread quantity per inch 108000 single pounds per square inch shear strength 32 micro" on shank cadmium surface treated unjf thread series
3a thread class right-hand 1.995" grip length 24 thread quantity per inch 108000 single pounds per square inch shear strength 32 micro" on shank cadmium surface treated unjf thread series
3a thread class right-hand 1.307" grip length 32 thread quantity per inch 108000 single pounds per square inch shear strength 32 micro" on shank cadmium surface treated unjf thread series
Used on c-5b aircraft. 3a thread class right-hand 0.0938" grip length 32 thread quantity per inch 108000 single pounds per square inch shear strength 32 micro" on shank cadmium surface treated unjf thread series
flush (flat) countersunk (included angle - less than 135 deg w or w/o chamfer) head style 0.094" grip length the letter "u" signifies single action fastener without frangible type of locking collar or locking collar cap passivate sleeve or cadmium sleeve surface treated
flush (flat) countersunk (included angle - less than 135 deg w or w/o chamfer) head style 0.251" grip length a-286 cres, passivated locking ring chromate sleeve surface treated
3a thread class right-hand 0.516" thread length double hexagon head style 2.125" grip length 20 thread quantity per inch chromate surface treated unjf thread series
3a thread class right-hand 0.351" thread length double hexagon head style 1.062" grip length 24 thread quantity per inch chromate surface treated unjf thread series
3a thread class right-hand 0.777" thread length double hexagon head style 1.562" grip length 18 thread quantity per inch passivate surface treated unjf thread series
Used on landing gear systems/components. 4.900" inside diameter 5.400" outside diameter 0.040" major thickness special ring style ring retainer constant weight bearing load; critical tolerance cadmium surface treated
