3MM CS X 9MM ID BLACK BUNA 70D

APG stocks the H3X9, a black Buna-N (Nitrile) 70 Shore A O-Ring with an inside diameter of 9 mm (0.354 in), a cross section of 3 mm (0.118 in), and an outside diameter of 15 mm (0.59 in). An o-ring creates a positive seal at flange, piston and rod interfaces without added hardware.

Buna-N (Nitrile) is specified here for low compression set under sustained load and most widely specified general-purpose sealing elastomer. The compound resists greases and lubricants, petroleum-based oils, and many alcohols. Service temperature is rated from -40°F (-40°C) through 250°F (121.1°C). Exposure to ketones or automotive brake fluid will shorten service life.

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

This item is sold individually under part number H3X9. Unit weight is approximately 0.325 g. Application requirements vary, so validate compatibility with your process conditions prior to installation. Not finding the exact configuration you need? APG cross-references from prints, samples and competitor part numbers.