Cres, 0.430 in. Diameter by 0.750 in. Lg, 0.156 in. Id by 0.063 in. Lgfirst end, 0.250-28 unf internal thd, 0.600 in. Tgth of full thd secondend, 0.078 in. Diameter of inspection hole, 0.200 in. From second end tocenter of hole, 2 flat surfaces, 0.339 in. Min, 0.344 in. Max widthacross flat second end, outside surface medium diamond knurl, electropolish finish