3.5MM CS X 124MM ID BLACK BUNA 70D

Part number H3.5X124 is a black Buna-N (Nitrile) 70 Shore A O-Ring with an inside diameter of 124 mm (4.882 in), a cross section of 3.5 mm (0.138 in), and an outside diameter of 131 mm (5.16 in). An o-ring creates a positive seal at flange, piston and rod interfaces without added hardware.

The compound resists greases and lubricants, petroleum-based oils, and propane and butane. Buna-N (Nitrile) is valued for reliable performance in both static and dynamic service, low compression set under sustained load. Continuous operating temperature is published at -40°F (-40°C) to 250°F (121.1°C). Applications involving ketones or strong acids call for a different compound.

Common environments for this compound include automotive, hydraulic and pneumatic systems, and general industrial maintenance.

Reference part number H3.5X124 when ordering; the item is sold individually. Unit weight is approximately 4.94 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.