4MM CS X 108MM ID BLACK BUNA 70D

The H4X108 is a black Buna-N (Nitrile) 70 Shore A O-Ring supplied with an inside diameter of 108 mm (4.252 in), a cross section of 4 mm (0.157 in), and an outside diameter of 116 mm (4.57 in). This o-ring delivers dependable bidirectional sealing in a compact groove envelope.

Buna-N (Nitrile) delivers low compression set under sustained load and the most widely specified general-purpose sealing elastomer. It resists many alcohols, hydraulic fluids, and greases and lubricants. The material carries a published service range of -40°F (-40°C) to 250°F (121.1°C). Verify compatibility before use with ketones or polar solvents.

Typical settings include general industrial maintenance, automotive, and agricultural equipment.

H4X108 ships individually. Unit weight is approximately 5.5492 g. Confirm chemical compatibility, pressure and temperature against your own application requirements before installing. For a size or compound outside the standard catalog, APG can quote from a print or sample.