This o-ring is supplied in AS568-043 black Buna-N (Nitrile) 70 Shore A supplied with an inside diameter of 3.489 in (88.62 mm), a cross section of 0.07 in (1.78 mm), and an outside diameter of 3.629 in (92.18 mm), catalogued under part number SB-H70043-10. It remains the most cost-effective sealing element available for pressurized assemblies. Additional detail on this item: 0.070CSX3.489"IDX3.629"OD.
Buna-N (Nitrile) is specified here for economical choice for high-volume maintenance programs, strong abrasion and tear resistance. This material stands up to hydraulic fluids, greases and lubricants, and water. The material carries a published service range of -40°F (-40°C) to 250°F (121.1°C). It should not be specified for service in ozone and direct sunlight or ketones.
It sees regular use in general industrial maintenance, automotive, and hydraulic and pneumatic systems.
Order part number SB-H70043-10, sold by the bag. Nominal inside diameter is listed as 3 1/2 inch. Check the compound against your process media, pressure and temperature before committing to a design. APG supports cross-referencing from drawings, samples and competitor numbers when a listed size is not an exact fit.
description Buna 70-043-Black-Pk10
uf_description2 0.070"CSX3.489"IDX3.629"OD
Actual_CS 0.07 inch (1.78 mm)
Actual_ID 3.489 inch (88.62 mm)
Actual_OD 3.629 inch (92.18 mm)
ProductCode Description O-Rings - Bagged - Commodity
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