3.1MM CS X 29.4MM ID BLACK BUNA 90D

Ordered as H90M3.1X29.4, this is a black Buna-N (Nitrile) 90 Shore A O-Ring built to an inside diameter of 29.4 mm (1.157 in), a cross section of 3.1 mm (0.122 in), and an outside diameter of 35.6 mm (1.4 in). The o-ring compresses into its gland to block fluid or gas migration across a joint. The catalog record notes: Metric O-RING, JIS G30.

Buna-N (Nitrile) is valued for an economical choice for high-volume maintenance programs, reliable performance in both static and dynamic service. Expect good resistance to water, greases and lubricants, and propane and butane. Continuous operating temperature is published at -40°F (-40°C) to 250°F (121.1°C). Exposure to strong acids or polar solvents will shorten service life.

Typical settings include agricultural equipment, hydraulic and pneumatic systems, and fluid power.

Stocked as H90M3.1X29.4 and sold individually. Unit weight is approximately 1.0802 g. As always, verify media compatibility and operating conditions against the requirements of your specific application. Not finding the exact configuration you need? APG cross-references from prints, samples and competitor part numbers.