Used on 1520-01-492-6324 helicopter,utility. right-hand hexagon head style bolt, tension, hex head, close tolerance nom thread size .5000; alloy steel, short thread, reducted major thread dia, 160 ksi ftu chromium surface treated unjf thread series
Used on 1520-01-492-6324 helicopter,utility. right-hand bolt, 100 deg close tolerance head .5000 dia. bolt; 1.007 grip; 160, 000 psi short thread cadmium surface treated unjf thread series