This o-ring is supplied in black Buna-N (Nitrile) 70 Shore A built to an inside diameter of 30 mm (1.181 in), a cross section of 3.5 mm (0.138 in), and an outside diameter of 37 mm (1.46 in), catalogued under part number H3.5X30. It remains the most cost-effective sealing element available for pressurized assemblies.
Buna-N (Nitrile) is valued for reliable performance in both static and dynamic service, an economical choice for high-volume maintenance programs. The material holds up against propane and butane, petroleum-based oils, and hydraulic fluids. Continuous operating temperature is published at -40°F (-40°C) to 250°F (121.1°C). Exposure to strong acids or ozone and direct sunlight will shorten service life.
You will find this material specified across fluid power, general industrial maintenance, and agricultural equipment.
Order part number H3.5X30, sold individually. Unit weight is approximately 1.25 g. Application requirements vary, so validate compatibility with your process conditions prior to installation.
description 3.5MM CS X 30MM ID BLACK BUNA 70D
uf_description2 METRIC O-RING
Actual_OD 37 mm (1.46 inch)
Actual_CS 3.5 mm (0.138 inch)
Actual_ID 30 mm (1.181 inch)
ProductCode Description O-Rings - Metric - Commodity