FAB PISTON CUP 3 OD X 5/8 X 5/32

The K300-1000 is a Buna-N (Nitrile) U-Cup U-Cup Seal with a 5/8 inch inside diameter, a 3 inch outside diameter, and a height of 5/32 inch. This u-cup seal uses a U-shaped profile that system pressure forces outward, tightening the seal as pressure rises. This item is further identified as With 1 ID Hole"".

Buna-N (Nitrile) offers low compression set under sustained load, reliable performance in both static and dynamic service. It resists greases and lubricants, hydraulic fluids, and many alcohols. It should not be specified for service in strong acids or polar solvents.

Maintenance and OEM teams specify it across automotive, fluid power, and construction equipment.

This item is sold individually under part number K300-1000. Check the compound against your process media, pressure and temperature before committing to a design. For a size or compound outside the standard catalog, APG can quote from a print or sample.