-237 BLACK BUNA 70D O-RING

This o-ring is supplied in AS568-237 black Buna-N (Nitrile) 70 Shore A with an inside diameter of 3.359 in (85.32 mm), a cross section of 0.139 in (3.53 mm), and an outside diameter of 3.637 in (92.38 mm), catalogued under part number H70237. It creates a positive seal at flange, piston and rod interfaces without added hardware.

As a material, Buna-N (Nitrile) is known for reliable performance in both static and dynamic service, an economical choice for high-volume maintenance programs. This material stands up to water, propane and butane, and hydraulic fluids. Rated temperature range runs from -40°F (-40°C) to 250°F (121.1°C) in continuous service. Applications involving ketones or automotive brake fluid call for a different compound.

You will find this material specified across automotive, construction equipment, and general industrial maintenance.

Reference part number H70237 when ordering; the item is sold individually. Unit weight is approximately 0.0034 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.