3b thread class right-hand 1.8590" overall length 0.2495" bore diameter 24 thread quantity per inch requires magnetic inspection cadmium rod end body surface treated ball type unf thread series
3a thread class right-hand 2.3900" overall length 0.2500" bore diameter 24 thread quantity per inch NAS559-2 keyway on face side of shank with grease fitting to left cadmium all external/exposed metal surfaces surface treated single row, concave rollers unjf thread series