-155 BLACK BUNA 70D O-RING

Part number H70155 is an AS568-155 black Buna-N (Nitrile) 70 Shore A O-Ring measuring an inside diameter of 3.987 in (101.27 mm), a cross section of 0.103 in (2.62 mm), and an outside diameter of 4.193 in (106.5 mm). An o-ring compresses into its gland to block fluid or gas migration across a joint.

As a material, Buna-N (Nitrile) is known for strong abrasion and tear resistance, an economical choice for high-volume maintenance programs. This material stands up to water, greases and lubricants, and petroleum-based oils. Continuous operating temperature is published at -40°F (-40°C) to 250°F (121.1°C). Exposure to strong acids or ketones will shorten service life.

It sees regular use in automotive, hydraulic and pneumatic systems, and fluid power.

Reference part number H70155 when ordering; the item is sold individually. Unit weight is approximately 2.16 g. As always, verify media compatibility and operating conditions against the requirements of your specific application.