APG stocks the H3.1X59.4, a black Buna-N (Nitrile) 70 Shore A O-Ring supplied with an inside diameter of 59.4 mm (2.339 in), a cross section of 3.1 mm (0.122 in), and an outside diameter of 65.6 mm (2.58 in). An o-ring compresses into its gland to block fluid or gas migration across a joint. The catalog record notes: Metric O-RING, JIS G60.
The compound resists many alcohols, greases and lubricants, and hydraulic fluids. Buna-N (Nitrile) is widely chosen for reliable performance in both static and dynamic service, an economical choice for high-volume maintenance programs. Service temperature is rated from -40°F (-40°C) through 250°F (121.1°C). It should not be specified for service in ketones or automotive brake fluid.
Typical settings include agricultural equipment, construction equipment, and automotive.
Reference part number H3.1X59.4 when ordering; the item is sold individually. Unit weight is approximately 1.8253 g. As always, verify media compatibility and operating conditions against the requirements of your specific application. APG can cross-reference from an existing part number, a drawing or a physical sample if this size is not an exact match.
Description 3.1MM CS X 59.4MM ID BLACK BUNA 70D
Actual Outside Diameter 65.6 mm (2.58 inch)
Actual Cross Section 3.1 mm (0.122 inch)
Actual Inside Diameter 59.4 mm (2.339 inch)
Measurement System Metric
Product Category O-Rings - Metric - Commodity