8cadmium plated finish, 1.015 in. Diameter hole in connector blockpart no. A-8727, 0.316 in. Diameter hole in center of connector tube partno. A-8726, 0.1935 in. Diameter hole in adapter tube part no. A-8725, holecenters to be in same plane within 0.015 in., hh-1h acft
