H70229 is an AS568-229 black Buna-N (Nitrile) 70 Shore A O-Ring 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). In service, this o-ring compresses into its gland to block fluid or gas migration across a joint.
As a material, Buna-N (Nitrile) is valued for reliable performance in both static and dynamic service, an economical choice for high-volume maintenance programs. This material stands up to hydraulic fluids, water, and greases and lubricants. Published continuous service range is -40°F (-40°C) to 250°F (121.1°C). Verify compatibility before use with polar solvents or ketones.
It sees regular use in general industrial maintenance, hydraulic and pneumatic systems, and agricultural equipment.
Order part number H70229, sold individually. Unit weight is approximately 2.396 g and nominal inside diameter is listed as 2 3/8 inch. Check the compound against your process media, pressure and temperature before committing to a design.
Description -229 BLACK BUNA 70D O-RING
Actual Cross Section 0.139 inch (3.53 mm)
Actual Inside Diameter 2.359 inch (59.92 mm)
Actual Outside Diameter 2.637 inch (66.98 mm)
Measurement System Imperial
Product Category O-Rings - Bulk - Commodity