7MM CS X 54MM ID BLACK BUNA 70D

H7X54 is a black Buna-N (Nitrile) 70 Shore A O-Ring built to an inside diameter of 54 mm (2.126 in), a cross section of 7 mm (0.276 in), and an outside diameter of 68 mm (2.68 in). In service, this o-ring delivers dependable bidirectional sealing in a compact groove envelope.

The material holds up against hydraulic fluids, greases and lubricants, and water. Buna-N (Nitrile) offers reliable performance in both static and dynamic service, strong abrasion and tear resistance. Rated temperature range runs from -40°F (-40°C) to 250°F (121.1°C) in continuous service.

Maintenance and OEM teams specify it across fluid power, general industrial maintenance, and construction equipment.

This item is sold individually under part number H7X54. Unit weight is approximately 9.367 g. Confirm chemical compatibility, pressure and temperature against your own application requirements before installing. For a size or compound outside the standard catalog, APG can quote from a print or sample.