Used on aircraft, stratofortress b-52;aircraft, stratolifter c-135. 3a thread class right-hand 0.745" grip length 16000 double pounds per square inch shear strength aluminum surface treated unjf thread series
3a thread class right-hand 0.995" grip length 22700 double pounds per square inch shear strength color black on thread end aluminum surface treated unjf thread series
3a thread class right-hand flush countersunk head style 0.8025" grip length grit blast top head; threads are yellow passivate surface treated unjf thread series
3a thread class right-hand flush countersunk head style 0.995" grip length grit blast top head; threads are yellow passivate surface treated unjf thread series
3a thread class right-hand flush countersunk head style 1.370" grip length grti blast top head; threads are yellow passivate surface treated unjf thread series
3a thread class right-hand flush countersunk head style 1.620" grip length grit blast top head; threads are yellow passivate surface treated unjf thread series