3.1MM CS X 49.4MM ID BLACK BUNA 90D

The H90M3.1X49.4 is a black Buna-N (Nitrile) 90 Shore A O-Ring measuring an inside diameter of 49.4 mm (1.945 in), a cross section of 3.1 mm (0.122 in), and an outside diameter of 55.6 mm (2.19 in). This o-ring delivers dependable bidirectional sealing in a compact groove envelope. Additional detail on this item: Metric O-RING, JIS G50.

Buna-N (Nitrile) is specified here for low compression set under sustained load, reliable performance in both static and dynamic service. The compound resists petroleum-based oils, many alcohols, and water. Service temperature is rated from -40°F (-40°C) through 250°F (121.1°C). Verify compatibility before use with automotive brake fluid or ozone and direct sunlight.

Typical settings include general industrial maintenance, automotive, and agricultural equipment.

This item is sold individually under part number H90M3.1X49.4. Unit weight is approximately 1.7453 g. As always, verify media compatibility and operating conditions against the requirements of your specific application. APG supports cross-referencing from drawings, samples and competitor numbers when a listed size is not an exact fit.