1.8MM CS X 8.5MM ID BLACK BUNA 70D

APG stocks the H1.8X8.5, a black Buna-N (Nitrile) 70 Shore A O-Ring supplied with an inside diameter of 8.5 mm (0.335 in), a cross section of 1.8 mm (0.071 in), and an outside diameter of 12.1 mm (0.48 in). An o-ring remains the most cost-effective sealing element available for pressurized assemblies.

Buna-N (Nitrile) is specified here for strong abrasion and tear resistance, reliable performance in both static and dynamic service. It resists water, greases and lubricants, and hydraulic fluids. 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 construction equipment, agricultural equipment, and automotive.

H1.8X8.5 ships individually. Unit weight is approximately 0.102 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.