Buna 70-233-Black-Pk25

Part number SB-H70233-25 is an AS568-233 black Buna-N (Nitrile) 70 Shore A O-Ring built to an inside diameter of 2.859 in (72.62 mm), a cross section of 0.139 in (3.53 mm), and an outside diameter of 3.137 in (79.68 mm). An o-ring delivers dependable bidirectional sealing in a compact groove envelope. Source specification: 0.139CSX2.859"IDX3.137"OD.

Buna-N (Nitrile) is known for an economical choice for high-volume maintenance programs, reliable performance in both static and dynamic service. Expect good resistance to hydraulic fluids, many alcohols, and greases and lubricants. Service temperature is rated from -40°F (-40°C) through 250°F (121.1°C).

Maintenance and OEM teams specify it across hydraulic and pneumatic systems, fluid power, and agricultural equipment.

Reference part number SB-H70233-25 when ordering; the item is sold by the bag. Confirm chemical compatibility, pressure and temperature against your own application requirements before installing.