-018 BLACK BUNA 70D O-RING

Part number H70018 is an AS568-018 black Buna-N (Nitrile) 70 Shore A O-Ring with an inside diameter of 0.739 in (18.77 mm), a cross section of 0.07 in (1.78 mm), and an outside diameter of 0.879 in (22.33 mm). An o-ring delivers dependable bidirectional sealing in a compact groove envelope.

It resists petroleum-based oils, hydraulic fluids, and greases and lubricants. Buna-N (Nitrile) is widely chosen for low compression set under sustained load, strong abrasion and tear resistance. Continuous operating temperature is published at -40°F (-40°C) to 250°F (121.1°C). Applications involving ketones or strong acids call for a different compound.

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

Reference part number H70018 when ordering; the item is sold individually. Unit weight is approximately 0.201 g and nominal inside diameter is listed as 3/4 inch. Review your operating media and conditions against this specification before installation. APG supports cross-referencing from drawings, samples and competitor numbers when a listed size is not an exact fit.