APG stocks the SB-H70324-50, an AS568-324 black Buna-N (Nitrile) 70 Shore A O-Ring built to an inside diameter of 1.35 in (34.29 mm), a cross section of 0.21 in (5.33 mm), and an outside diameter of 1.77 in (44.96 mm). An o-ring provides a reliable static or dynamic seal by deforming into its gland under assembly load. The catalog record notes: 1.75IDX1.375"ODX.1875"CS.
Buna-N (Nitrile) is specified for reliable performance in both static and dynamic service, strong abrasion and tear resistance. The material holds up against many alcohols, greases and lubricants, and propane and butane. Service temperature is rated from -40°F (-40°C) through 250°F (121.1°C). It should not be specified for service in ozone and direct sunlight or automotive brake fluid.
Common environments for this compound include automotive, construction equipment, and hydraulic and pneumatic systems.
SB-H70324-50 ships by the bag. Check the compound against your process media, pressure and temperature before committing to a design. For a size or compound outside the standard catalog, APG can quote from a print or sample.
description Buna 70-324-Black-Pk50
uf_description2 1.75"IDX1.375"ODX.1875"CS
Actual_CS 0.21 inch (5.33 mm)
Actual_ID 1.35 inch (34.29 mm)
Actual_OD 1.77 inch (44.96 mm)
ProductCode Description O-Rings - Bagged - Commodity