Ordered as H70171, this is an AS568-171 black Buna-N (Nitrile) 70 Shore A O-Ring built to an inside diameter of 7.987 in (202.87 mm), a cross section of 0.103 in (2.62 mm), and an outside diameter of 8.193 in (208.1 mm). The o-ring remains the most cost-effective sealing element available for pressurized assemblies.
As a material, Buna-N (Nitrile) is valued for low compression set under sustained load, reliable performance in both static and dynamic service. Expect good resistance to water, greases and lubricants, and many alcohols. Service temperature is rated from -40°F (-40°C) through 250°F (121.1°C). Applications involving polar solvents or ketones call for a different compound.
Common environments for this compound include fluid power, hydraulic and pneumatic systems, and construction equipment.
Order part number H70171, sold individually. Unit weight is approximately 4.31 g and nominal inside diameter is listed as 8 inch. Application requirements vary, so validate compatibility with your process conditions prior to installation.
description -171 BLACK BUNA 70D O-RING
uf_description2 0.103" (2.62MM) CS X 7.987" (202.87MM) ID
Actual_CS 0.103 inch (2.62 mm)
Actual_ID 7.987 inch (202.87 mm)
Actual_OD 8.193 inch (208.1 mm)
ProductCode Description O-Rings - Bulk - Commodity