8.4MM CS X 214.5MM ID BLACK BUNA 90D

Part number H90M8.4X214.5 is a black Buna-N (Nitrile) 90 Shore A O-Ring with an inside diameter of 214.5 mm (8.445 in), a cross section of 8.4 mm (0.331 in), and an outside diameter of 231.3 mm (9.11 in). An o-ring delivers dependable bidirectional sealing in a compact groove envelope. Source specification: Metric O-RING, JIS P215.

Expect good resistance to many alcohols, hydraulic fluids, and petroleum-based oils. Buna-N (Nitrile) is known for reliable performance in both static and dynamic service, strong abrasion and tear resistance. Service temperature is rated from -40°F (-40°C) through 250°F (121.1°C). It is not the right choice where strong acids or automotive brake fluid are present.

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

This item is sold individually under part number H90M8.4X214.5. Unit weight is approximately 53.863 g. Confirm chemical compatibility, pressure and temperature against your own application requirements before installing.