H70281 is an AS568-281 black Buna-N (Nitrile) 70 Shore A O-Ring measuring an inside diameter of 14.984 in (380.59 mm), a cross section of 0.139 in (3.53 mm), and an outside diameter of 15.262 in (387.65 mm). In service, this o-ring remains the most cost-effective sealing element available for pressurized assemblies.
Expect good resistance to petroleum-based oils, greases and lubricants, and water. That behavior comes from the compound itself: Buna-N (Nitrile) is widely chosen for an economical choice for high-volume maintenance programs, strong abrasion and tear resistance. Service temperature is rated from -40°F (-40°C) through 250°F (121.1°C).
Typical settings include general industrial maintenance, automotive, and agricultural equipment.
Reference part number H70281 when ordering; the item is sold individually. Unit weight is approximately 14.979 g. As always, verify media compatibility and operating conditions against the requirements of your specific application. For a size or compound outside the standard catalog, APG can quote from a print or sample.
description -281 BLACK BUNA 70D O-RING
uf_description2 0.139" (3.53MM) CS X 14.984" (380.59MM) ID
Actual_CS 0.139 inch (3.53 mm)
Actual_ID 14.984 inch (380.59 mm)
Actual_OD 15.262 inch (387.65 mm)
ProductCode Description O-Rings - Bulk - Commodity