Ordered as H8.4X169.5, this is a black Buna-N (Nitrile) 70 Shore A O-Ring with an inside diameter of 169.5 mm (6.673 in), a cross section of 8.4 mm (0.331 in), and an outside diameter of 186.3 mm (7.33 in). The o-ring creates a positive seal at flange, piston and rod interfaces without added hardware. Additional detail on this item: Metric O-RING, JIS P170.
Expect good resistance to propane and butane, water, and many alcohols. Buna-N (Nitrile) offers an economical choice for high-volume maintenance programs, reliable performance in both static and dynamic service. Service temperature is rated from -40°F (-40°C) through 250°F (121.1°C). Verify compatibility before use with automotive brake fluid or polar solvents.
Common environments for this compound include fluid power, hydraulic and pneumatic systems, and agricultural equipment.
Order part number H8.4X169.5, sold individually. Unit weight is approximately 38.491 g. Review your operating media and conditions against this specification before installation. If you need a size, durometer or compound that is not listed, APG can cross-reference from a print, a sample or a competitor part number.
description 8.4MM CS X 169.5MM ID BLACK BUNA 70D
uf_description2 METRIC O-RING, JIS P170
Actual_OD 186.3 mm (7.33 inch)
Actual_CS 8.4 mm (0.331 inch)
Actual_ID 169.5 mm (6.673 inch)
ProductCode Description O-Rings - Metric - Commodity