This o-ring is supplied in black Buna-N (Nitrile) 70 Shore A supplied with an inside diameter of 140 mm (5.512 in), a cross section of 7 mm (0.276 in), and an outside diameter of 154 mm (6.06 in), catalogued under part number H7X140. It compresses into its gland to block fluid or gas migration across a joint.
As a material, Buna-N (Nitrile) is widely chosen for low compression set under sustained load, strong abrasion and tear resistance. This material stands up to water, greases and lubricants, and petroleum-based oils. The material carries a published service range of -40°F (-40°C) to 250°F (121.1°C). Verify compatibility before use with polar solvents or automotive brake fluid.
It sees regular use in hydraulic and pneumatic systems, agricultural equipment, and fluid power.
H7X140 ships individually. Unit weight is approximately 21.835 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 7MM CS X 140MM ID BLACK BUNA 70D
Actual Outside Diameter 154 mm (6.06 inch)
Actual Cross Section 7 mm (0.276 inch)
Actual Inside Diameter 140 mm (5.512 inch)
Measurement System Metric
Product Category O-Rings - Metric - Commodity