Ordered as SB-H70229-25, this is an AS568-229 black Buna-N (Nitrile) 70 Shore A O-Ring supplied with an inside diameter of 2.359 in (59.92 mm), a cross section of 0.139 in (3.53 mm), and an outside diameter of 2.637 in (66.98 mm). The o-ring remains the most cost-effective sealing element available for pressurized assemblies. The catalog record notes: 0.139CSX2.359"IDX2.637"OD.
Buna-N (Nitrile) is specified here for most widely specified general-purpose sealing elastomer, reliable performance in both static and dynamic service. Expect good resistance to petroleum-based oils, many alcohols, and water. Service temperature is rated from -40°F (-40°C) through 250°F (121.1°C). It should not be specified for service in polar solvents or ketones.
Common environments for this compound include agricultural equipment, construction equipment, and general industrial maintenance.
Stocked as SB-H70229-25 and sold by the bag. Review your operating media and conditions against this specification before installation. Not finding the exact configuration you need? APG cross-references from prints, samples and competitor part numbers.
description Buna 70-229-Black-Pk25
uf_description2 0.139"CSX2.359"IDX2.637"OD
Actual_CS 0.139 inch (3.53 mm)
Actual_ID 2.359 inch (59.92 mm)
Actual_OD 2.637 inch (66.98 mm)
ProductCode Description O-Rings - Bagged - Commodity