Ordered as H8.4X264.5, this is a black Buna-N (Nitrile) 70 Shore A O-Ring with an inside diameter of 264.5 mm (10.413 in), a cross section of 8.4 mm (0.331 in), and an outside diameter of 281.3 mm (11.07 in). The o-ring creates a positive seal at flange, piston and rod interfaces without added hardware. This item is further identified as Metric O-RING, JIS P265.
It resists water, many alcohols, and hydraulic fluids. Buna-N (Nitrile) is known for reliable performance in both static and dynamic service, the most widely specified general-purpose sealing elastomer. Continuous operating temperature is published at -40°F (-40°C) to 250°F (121.1°C). Verify compatibility before use with polar solvents or strong acids.
Typical settings include general industrial maintenance, hydraulic and pneumatic systems, and agricultural equipment.
This item is sold individually under part number H8.4X264.5. Unit weight is approximately 59.086 g. Review your operating media and conditions against this specification before installation. APG supports cross-referencing from drawings, samples and competitor numbers when a listed size is not an exact fit.
description 8.4MM CS X 264.5MM ID BLACK BUNA 70D
uf_description2 METRIC O-RING, JIS P265
Actual_OD 281.3 mm (11.07 inch)
Actual_CS 8.4 mm (0.331 inch)
Actual_ID 264.5 mm (10.413 inch)
ProductCode Description O-Rings - Metric - Commodity