-266 BLACK BUNA 70D O-RING

This o-ring is supplied in AS568-266 black Buna-N (Nitrile) 70 Shore A measuring an inside diameter of 7.984 in (202.79 mm), a cross section of 0.139 in (3.53 mm), and an outside diameter of 8.262 in (209.85 mm), catalogued under part number H70266. It delivers dependable bidirectional sealing in a compact groove envelope.

The compound resists water, petroleum-based oils, and propane and butane. Buna-N (Nitrile) is specified for strong abrasion and tear resistance, low compression set under sustained load. Service temperature is rated from -40°F (-40°C) through 250°F (121.1°C). Applications involving ketones or automotive brake fluid call for a different compound.

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

Order part number H70266, sold individually. Unit weight is approximately 7.9356 g and nominal inside diameter is listed as 8 inch. Confirm chemical compatibility, pressure and temperature against your own application requirements before installing. APG can cross-reference from an existing part number, a drawing or a physical sample if this size is not an exact match.