This o-ring is supplied in AS568-928 black Buna-N (Nitrile) 70 Shore A built to an inside diameter of 2.09 in (53.09 mm), a cross section of 0.118 in (3 mm), and an outside diameter of 2.326 in (59.08 mm), catalogued under part number H70928. It creates a positive seal at flange, piston and rod interfaces without added hardware.
As a material, Buna-N (Nitrile) delivers reliable performance in both static and dynamic service, strong abrasion and tear resistance. The material holds up against propane and butane, many alcohols, and petroleum-based oils. Continuous operating temperature is published at -40°F (-40°C) to 250°F (121.1°C). It should not be specified for service in ketones or ozone and direct sunlight.
Typical settings include general industrial maintenance, automotive, and fluid power.
Reference part number H70928 when ordering; the item is sold individually. Unit weight is approximately 1.49 g. Check the compound against your process media, pressure and temperature before committing to a design. APG supports cross-referencing from drawings, samples and competitor numbers when a listed size is not an exact fit.
description -928 BLACK BUNA 70D O-RING
uf_description2 0.118" (3MM) CS X 2.090" (53.09MM) ID
Actual_CS 0.118 inch (3 mm)
Actual_ID 2.09 inch (53.09 mm)
Actual_OD 2.326 inch (59.08 mm)
ProductCode Description O-Rings - Bulk - Commodity