-231 BLACK BUNA 70D O-RING

The H70231 is an AS568-231 black Buna-N (Nitrile) 70 Shore A O-Ring measuring an inside diameter of 2.609 in (66.27 mm), a cross section of 0.139 in (3.53 mm), and an outside diameter of 2.887 in (73.33 mm). This o-ring provides a reliable static or dynamic seal by deforming into its gland under assembly load.

Expect good resistance to propane and butane, petroleum-based oils, and hydraulic fluids. Buna-N (Nitrile) is specified for an economical choice for high-volume maintenance programs and the most widely specified general-purpose sealing elastomer. The material carries a published service range of -40°F (-40°C) to 250°F (121.1°C).

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

Order part number H70231, sold individually. Unit weight is approximately 2.621 g. Application requirements vary, so validate compatibility with your process conditions prior to installation.