2MM CS X 40MM ID BLACK BUNA 70D

Ordered as H2X40, this is a black Buna-N (Nitrile) 70 Shore A O-Ring with an inside diameter of 40 mm (1.575 in), a cross section of 2 mm (0.079 in), and an outside diameter of 44 mm (1.73 in). The o-ring remains the most cost-effective sealing element available for pressurized assemblies.

Buna-N (Nitrile) is specified here for low compression set under sustained load and most widely specified general-purpose sealing elastomer. The material holds up against hydraulic fluids, many alcohols, and greases and lubricants. The material carries a published service range of -40°F (-40°C) to 250°F (121.1°C). Applications involving ketones or automotive brake fluid call for a different compound.

Maintenance and OEM teams specify it across construction equipment, general industrial maintenance, and hydraulic and pneumatic systems.

Order part number H2X40, sold individually. Unit weight is approximately 0.506 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.