2a thread class right-hand 0.450" thread length flat extended washer head style 20 thread quantity per inch dichromate zinc surface treated unc thread series
2a thread class right-hand 0.620" thread length flat extended washer head style 32 thread quantity per inch dichromate zinc fastener surface treated unf thread series
2a thread class right-hand 0.532" thread length hexagon head style 24 thread quantity per inch undercut 0.030 to thread root dia. passivate surface treated unf thread series
Used on c-5b aircraft. 3a thread class right-hand 0.469" grip length 32 thread quantity per inch 108000 single pounds per square inch shear strength cadmium surface treated unjc thread series
3a thread class right-hand 0.120" grip length 32 thread quantity per inch 95000 single pounds per square inch shear strength cadmium surface treated unjf thread series
3a thread class right-hand flush countersunk head style 0.745" grip length 24 thread quantity per inch 95000 single pounds per square inch shear strength aluminum surface treated unjf thread series
Used on c-5b aircraft. 3a thread class right-hand 2.250" grip length 24 thread quantity per inch 108000 single pounds per square inch shear strength cadmium surface treated unjf thread series