4MM CS X 88MM ID BLACK BUNA 70D

H4X88 is a black Buna-N (Nitrile) 70 Shore A O-Ring measuring an inside diameter of 88 mm (3.465 in), a cross section of 4 mm (0.157 in), and an outside diameter of 96 mm (3.78 in). In service, this o-ring delivers dependable bidirectional sealing in a compact groove envelope.

As a material, Buna-N (Nitrile) is known for reliable performance in both static and dynamic service, low compression set under sustained load. This material stands up to many alcohols, water, and petroleum-based oils. The material carries a published service range of -40°F (-40°C) to 250°F (121.1°C). Applications involving ketones or ozone and direct sunlight call for a different compound.

You will find this material specified across automotive, agricultural equipment, and hydraulic and pneumatic systems.

Order part number H4X88, sold individually. Unit weight is approximately 4.581 g. Check the compound against your process media, pressure and temperature before committing to a design. If you need a size, durometer or compound that is not listed, APG can cross-reference from a print, a sample or a competitor part number.