Weatherhead ET420SR-M255A Seal Ring Hydraulic Cylinder End Cap

The Weatherhead ET420SR-M255A is a new hydraulic cylinder end cap or gland seal ring, stamped with the full part number on the OD edge and supplied in original manufacturer packaging. The part features a flat annular ring geometry with a large centered bore and a stepped or chamfered face visible on one side, finished with a black oxide or phosphate coating consistent with Weatherhead's standard treatment for hydraulic cylinder components to resist corrosion and improve oil retention on mating surfaces. Weatherhead (a brand under Eaton) produces this component for use in hydraulic cylinder assemblies where it serves as a bearing/seal gland ring, retaining rod seals and guiding the cylinder rod — applications include mobile hydraulic cylinders, industrial press cylinders, and OEM hydraulic actuator rebuilds. The black finish and machined surfaces indicate this is a precision-ground steel component intended for direct assembly into a hydraulic cylinder tube or end cap housing. This is new-old-stock in original box.

Product Specifications