-216 BLACK BUNA 70D O-RING

Ordered as H70216, this is an AS568-216 black Buna-N (Nitrile) 70 Shore A O-Ring supplied with an inside diameter of 1.109 in (28.17 mm), a cross section of 0.139 in (3.53 mm), and an outside diameter of 1.387 in (35.23 mm). The o-ring provides a reliable static or dynamic seal by deforming into its gland under assembly load.

Buna-N (Nitrile) is known for low compression set under sustained load and the most widely specified general-purpose sealing elastomer. The compound resists many alcohols, water, and greases and lubricants. Continuous operating temperature is published at -40°F (-40°C) to 250°F (121.1°C). Applications involving ozone and direct sunlight or automotive brake fluid call for a different compound.

Maintenance and OEM teams specify it across hydraulic and pneumatic systems, general industrial maintenance, and agricultural equipment.

Reference part number H70216 when ordering; the item is sold individually. Unit weight is approximately 1.19 g and nominal inside diameter is listed as 1 1/8 inch. Confirm chemical compatibility, pressure and temperature against your own application requirements before installing.