Buna 70-148-Black-Pk10

The SB-H70148-10 is an AS568-148 black Buna-N (Nitrile) 70 Shore A O-Ring supplied with an inside diameter of 2.737 in (69.52 mm), a cross section of 0.103 in (2.62 mm), and an outside diameter of 2.943 in (74.75 mm). This o-ring remains the most cost-effective sealing element available for pressurized assemblies. Source specification: 0.103CSX2.737"IDX2.943"OD.

Buna-N (Nitrile) is specified here for most widely specified general-purpose sealing elastomer, reliable performance in both static and dynamic service. The material holds up against propane and butane, petroleum-based oils, and many alcohols. Continuous operating temperature is published at -40°F (-40°C) to 250°F (121.1°C). It should not be specified for service in polar solvents or ketones.

You will find this material specified across fluid power, automotive, and construction equipment.

Reference part number SB-H70148-10 when ordering; the item is sold by the bag. Nominal inside diameter is listed as 2 3/4 inch. Application requirements vary, so validate compatibility with your process conditions prior to installation. Not finding the exact configuration you need? APG cross-references from prints, samples and competitor part numbers.