8.4MM CS X 284.5MM ID BLACK BUNA 90D

Ordered as H90M8.4X284.5, this is a black Buna-N (Nitrile) 90 Shore A O-Ring measuring an inside diameter of 284.5 mm (11.201 in), a cross section of 8.4 mm (0.331 in), and an outside diameter of 301.3 mm (11.86 in). The o-ring delivers dependable bidirectional sealing in a compact groove envelope. This item is further identified as Metric O-RING, JIS P285.

Buna-N (Nitrile) is specified here for economical choice for high-volume maintenance programs and low compression set under sustained load. This material stands up to propane and butane, many alcohols, and hydraulic fluids. Rated temperature range runs from -40°F (-40°C) to 250°F (121.1°C) in continuous service. Applications involving automotive brake fluid or ozone and direct sunlight call for a different compound.

Common environments for this compound include automotive, general industrial maintenance, and agricultural equipment.

Order part number H90M8.4X284.5, sold individually. Unit weight is approximately 71.917 g. Check the compound against your process media, pressure and temperature before committing to a design.