3.1MM CS X 74.4MM ID BLACK BUNA 70D

Ordered as H3.1X74.4, this is a black Buna-N (Nitrile) 70 Shore A O-Ring built to an inside diameter of 74.4 mm (2.929 in), a cross section of 3.1 mm (0.122 in), and an outside diameter of 80.6 mm (3.17 in). The o-ring seats in a machined groove and forms a leak-tight barrier when compressed between two mating surfaces. Additional detail on this item: Metric O-RING, JIS G75.

The material holds up against propane and butane, water, and greases and lubricants. Buna-N (Nitrile) is specified for the most widely specified general-purpose sealing elastomer, reliable performance in both static and dynamic service. Published continuous service range is -40°F (-40°C) to 250°F (121.1°C).

Common environments for this compound include automotive, agricultural equipment, and construction equipment.

This item is sold individually under part number H3.1X74.4. Unit weight is approximately 2.2458 g. Review your operating media and conditions against this specification before installation. APG can cross-reference from an existing part number, a drawing or a physical sample if this size is not an exact match.