Hydraulic Filter, Filter Design Cartridge, Hydraulic Element, Height 3 1/2 in, Length 3 1/2 in, Width 1 21/32 in, Outside Dia. 1 21/32 in, Inside Dia. 7/8 in, Includes O-Ring, Reinforced Centertube, For Use With Caterpillar Excavators, Army-Navy Hydraulic Systems, Thread Size Not Applicable. This item has been restricted from sale in the following state (s): []