3.5MM CS X 48.7MM ID BLACK BUNA 90D

Ordered as H90M3.5X48.7, this is a black Buna-N (Nitrile) 90 Shore A O-Ring built to an inside diameter of 48.7 mm (1.917 in), a cross section of 3.5 mm (0.138 in), and an outside diameter of 55.7 mm (2.19 in). The o-ring provides a reliable static or dynamic seal by deforming into its gland under assembly load. This item is further identified as Metric O-RING, JIS P49.

Buna-N (Nitrile) is specified here for low compression set under sustained load, strong abrasion and tear resistance. Expect good resistance to propane and butane, many alcohols, and water. Published continuous service range is -40°F (-40°C) to 250°F (121.1°C). It should not be specified for service in ketones or automotive brake fluid.

Common environments for this compound include fluid power, hydraulic and pneumatic systems, and automotive.

This item is sold individually under part number H90M3.5X48.7. Unit weight is approximately 2.2132 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.