8.4MM CS X 354.5MM ID BLACK BUNA 70D

APG stocks the H8.4X354.5, a black Buna-N (Nitrile) 70 Shore A O-Ring with an inside diameter of 354.5 mm (13.957 in), a cross section of 8.4 mm (0.331 in), and an outside diameter of 371.3 mm (14.62 in). An o-ring delivers dependable bidirectional sealing in a compact groove envelope. Source specification: Metric O-RING, JIS P355.

This material stands up to greases and lubricants, propane and butane, and petroleum-based oils. That behavior comes from the compound itself: Buna-N (Nitrile) is widely chosen for an economical choice for high-volume maintenance programs, reliable performance in both static and dynamic service. Rated temperature range runs from -40°F (-40°C) to 250°F (121.1°C) in continuous service.

Common environments for this compound include hydraulic and pneumatic systems, general industrial maintenance, and automotive.

H8.4X354.5 ships individually. Unit weight is approximately 77.824 g. As always, verify media compatibility and operating conditions against the requirements of your specific application.