-127 BLACK BUNA 70D O-RING

APG stocks the H70127, an AS568-127 black Buna-N (Nitrile) 70 Shore A O-Ring built to an inside diameter of 1.424 in (36.17 mm), a cross section of 0.103 in (2.62 mm), and an outside diameter of 1.63 in (41.4 mm). An o-ring compresses into its gland to block fluid or gas migration across a joint.

Buna-N (Nitrile) is specified here for low compression set under sustained load and most widely specified general-purpose sealing elastomer. This material stands up to many alcohols, propane and butane, and greases and lubricants. Service temperature is rated from -40°F (-40°C) through 250°F (121.1°C). Exposure to ozone and direct sunlight or ketones will shorten service life.

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

This item is sold individually under part number H70127. Unit weight is approximately 0.814 g and nominal inside diameter is listed as 1 7/16 inch. Check the compound against your process media, pressure and temperature before committing to a design.