4MM CS X 59MM ID BLACK BUNA 70D

This o-ring is supplied in black Buna-N (Nitrile) 70 Shore A supplied with an inside diameter of 59 mm (2.323 in), a cross section of 4 mm (0.157 in), and an outside diameter of 67 mm (2.64 in), catalogued under part number H4X59. It delivers dependable bidirectional sealing in a compact groove envelope.

The compound resists propane and butane, many alcohols, and hydraulic fluids. Buna-N (Nitrile) offers reliable performance in both static and dynamic service, low compression set under sustained load. Published continuous service range is -40°F (-40°C) to 250°F (121.1°C). It should not be specified for service in automotive brake fluid or strong acids.

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

Stocked as H4X59 and sold individually. Unit weight is approximately 3.0773 g. Application requirements vary, so validate compatibility with your process conditions prior to installation. 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.