This o-ring is supplied in black Buna-N (Nitrile) 70 Shore A measuring an inside diameter of 34 mm (1.339 in), a cross section of 3.5 mm (0.138 in), and an outside diameter of 41 mm (1.61 in), catalogued under part number H3.5X34. It creates a positive seal at flange, piston and rod interfaces without added hardware.
As a material, Buna-N (Nitrile) delivers an economical choice for high-volume maintenance programs and the most widely specified general-purpose sealing elastomer. The material holds up against greases and lubricants, propane and butane, and hydraulic fluids. Service temperature is rated from -40°F (-40°C) through 250°F (121.1°C). Verify compatibility before use with polar solvents or ketones.
Typical settings include automotive, general industrial maintenance, and fluid power.
Reference part number H3.5X34 when ordering; the item is sold individually. Unit weight is approximately 1.405 g. As always, verify media compatibility and operating conditions against the requirements of your specific application. For a size or compound outside the standard catalog, APG can quote from a print or sample.
Description 3.5MM CS X 34MM ID BLACK BUNA 70D
Actual Outside Diameter 41 mm (1.61 inch)
Actual Cross Section 3.5 mm (0.138 inch)
Actual Inside Diameter 34 mm (1.339 inch)
Measurement System Metric
Product Category O-Rings - Metric - Commodity