3a thread class right-hand flush countersunk head style 0.688" grip length 28 thread quantity per inch 95000 single pounds per square inch shear strength cadmium surface treated unjf thread series
Used on C-17. 3a thread class right-hand 2.9325" grip length 18 thread quantity per inch rivet is also internally left hand threaded in 0.320 inch max, 0.3125-24 unjf-3b aluminum surface treated unjf thread series
Used on c-17a aircraft. 3a thread class right-hand straight pan head style 1.125" grip length 24 thread quantity per inch pin-rivet, threaded-protruding head aluminum surface treated unjf thread series
3a thread class right-hand 1.120" grip length 28 thread quantity per inch 95000 double pounds per square inch shear strength aluminum surface treated unjf thread series