-144 BLACK BUNA 70D O-RING

APG stocks the H70144, an AS568-144 black Buna-N (Nitrile) 70 Shore A O-Ring with an inside diameter of 2.487 in (63.17 mm), a cross section of 0.103 in (2.62 mm), and an outside diameter of 2.693 in (68.4 mm). An o-ring delivers dependable bidirectional sealing in a compact groove envelope.

It resists greases and lubricants, water, and propane and butane. Buna-N (Nitrile) is valued for reliable performance in both static and dynamic service, an economical choice for high-volume maintenance programs. The material carries a published service range of -40°F (-40°C) to 250°F (121.1°C). Applications involving automotive brake fluid or polar solvents call for a different compound.

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

This item is sold individually under part number H70144. Unit weight is approximately 0.0014 g. Application requirements vary, so validate compatibility with your process conditions prior to installation.