The H1X15.5 is a black Buna-N (Nitrile) 70 Shore A O-Ring with an inside diameter of 15.5 mm (0.61 in), a cross section of 1 mm (0.039 in), and an outside diameter of 17.5 mm (0.69 in). This o-ring provides a reliable static or dynamic seal by deforming into its gland under assembly load.
As a material, Buna-N (Nitrile) is widely chosen for reliable performance in both static and dynamic service, low compression set under sustained load. It resists many alcohols, hydraulic fluids, and propane and butane. Service temperature is rated from -40°F (-40°C) through 250°F (121.1°C). It should not be specified for service in ozone and direct sunlight or polar solvents.
You will find this material specified across construction equipment, automotive, and fluid power.
Stocked as H1X15.5 and sold individually. Unit weight is approximately 0.053 g. As always, verify media compatibility and operating conditions against the requirements of your specific application.
Description 1MM CS X 15.5MM ID BLACK BUNA 70D
Actual Outside Diameter 17.5 mm (0.69 inch)
Actual Cross Section 1 mm (0.039 inch)
Actual Inside Diameter 15.5 mm (0.61 inch)
Measurement System Metric
Product Category O-Rings - Metric - Commodity