Part number H8.4X208.5 is a black Buna-N (Nitrile) 70 Shore A O-Ring built to an inside diameter of 208.5 mm (8.209 in), a cross section of 8.4 mm (0.331 in), and an outside diameter of 225.3 mm (8.87 in). An o-ring creates a positive seal at flange, piston and rod interfaces without added hardware. Source specification: Metric O-RING, JIS P209.
The material holds up against water, greases and lubricants, and hydraulic fluids. Buna-N (Nitrile) is valued 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. Applications involving polar solvents or ketones call for a different compound.
Common environments for this compound include general industrial maintenance, agricultural equipment, and construction equipment.
H8.4X208.5 ships individually. Unit weight is approximately 46.614 g. As always, verify media compatibility and operating conditions against the requirements of your specific application.
description 8.4MM CS X 208.5MM ID BLACK BUNA 70D
uf_description2 METRIC O-RING, JIS P209
Actual_OD 225.3 mm (8.87 inch)
Actual_CS 8.4 mm (0.331 inch)
Actual_ID 208.5 mm (8.209 inch)
ProductCode Description O-Rings - Metric - Commodity