-204 BLACK BUNA 70D O-RING

H70204 is an AS568-204 black Buna-N (Nitrile) 70 Shore A O-Ring measuring an inside diameter of 0.359 in (9.12 mm), a cross section of 0.139 in (3.53 mm), and an outside diameter of 0.637 in (16.18 mm). In service, this o-ring compresses into its gland to block fluid or gas migration across a joint.

The compound resists water, many alcohols, and petroleum-based oils. Buna-N (Nitrile) is known for the most widely specified general-purpose sealing elastomer and low compression set under sustained load. Published continuous service range is -40°F (-40°C) to 250°F (121.1°C).

Common environments for this compound include automotive, general industrial maintenance, and construction equipment.

Reference part number H70204 when ordering; the item is sold individually. Unit weight is approximately 0.478 g. Application requirements vary, so validate compatibility with your process conditions prior to installation.