Hydraulic Filter, Filter Design , Wire Mesh Supported Hydraulic Element, Micron Rating 27, Height 16 1/16 in, Length 16 1/16 in, Width 4 3/8 in, Outside Dia. 4 3/8 in, Inside Dia. 23/32 in, Includes Attached Gasket, Attached Grommet, For Use With Case Excavators, Donaldson HAK05 Assembly, Thread Size Not Applicable