7MM CS X 243MM ID BLACK BUNA 70D

This o-ring is supplied in black Buna-N (Nitrile) 70 Shore A measuring an inside diameter of 243 mm (9.567 in), a cross section of 7 mm (0.276 in), and an outside diameter of 257 mm (10.12 in), catalogued under part number H7X243. It remains the most cost-effective sealing element available for pressurized assemblies.

The material holds up against greases and lubricants, petroleum-based oils, and many alcohols. Buna-N (Nitrile) delivers low compression set under sustained load, strong abrasion and tear resistance. Rated temperature range runs from -40°F (-40°C) to 250°F (121.1°C) in continuous service. Verify compatibility before use with ozone and direct sunlight or polar solvents.

It sees regular use in construction equipment, hydraulic and pneumatic systems, and general industrial maintenance.

H7X243 ships individually. Unit weight is approximately 37.023 g. As always, verify media compatibility and operating conditions against the requirements of your specific application. APG can cross-reference from an existing part number, a drawing or a physical sample if this size is not an exact match.