-327 BLACK BUNA 70D O-RING

APG stocks the H70327, an AS568-327 black Buna-N (Nitrile) 70 Shore A O-Ring built to an inside diameter of 1.725 in (43.82 mm), a cross section of 0.21 in (5.33 mm), and an outside diameter of 2.145 in (54.48 mm). An o-ring compresses into its gland to block fluid or gas migration across a joint.

The material holds up against petroleum-based oils, propane and butane, and many alcohols. That behavior comes from the compound itself: Buna-N (Nitrile) is known for low compression set under sustained load and the most widely specified general-purpose sealing elastomer. Published continuous service range is -40°F (-40°C) to 250°F (121.1°C). Verify compatibility before use with ketones or strong acids.

Typical settings include hydraulic and pneumatic systems, construction equipment, and agricultural equipment.

This item is sold individually under part number H70327. Unit weight is approximately 4.2085 g. Confirm chemical compatibility, pressure and temperature against your own application requirements before installing.