8.4MM CS X 154.5MM ID BLACK BUNA 70D

H8.4X154.5 is a black Buna-N (Nitrile) 70 Shore A O-Ring with an inside diameter of 154.5 mm (6.083 in), a cross section of 8.4 mm (0.331 in), and an outside diameter of 171.3 mm (6.74 in). In service, this o-ring compresses into its gland to block fluid or gas migration across a joint. Additional detail on this item: Metric O-RING, JIS P155.

Buna-N (Nitrile) delivers an economical choice for high-volume maintenance programs and low compression set under sustained load. The compound resists petroleum-based oils, hydraulic fluids, and many alcohols. The material carries a published service range of -40°F (-40°C) to 250°F (121.1°C).

You will find this material specified across construction equipment, automotive, and fluid power.

H8.4X154.5 ships individually. Unit weight is approximately 34.753 g. Confirm chemical compatibility, pressure and temperature against your own application requirements before installing. APG supports cross-referencing from drawings, samples and competitor numbers when a listed size is not an exact fit.