American Standard flush valve-738683-0070A
American Standard flush valve for one piece commode, 6.50" height, no mounting nut, fits New Lexington F2037.100, Antiquity F2038, Hunterdon F2055, Ellisse F2068 after 1/96, Heritage F2071, Hamilton F2092, High Hamilton F2096...Old DPS AS738109-K, 3C N/A, OEM 738109-0070A,FP-16-E-38-A