APG stocks the H5X52, a black Buna-N (Nitrile) 70 Shore A O-Ring supplied with an inside diameter of 52 mm (2.047 in), a cross section of 5 mm (0.197 in), and an outside diameter of 62 mm (2.44 in). An o-ring creates a positive seal at flange, piston and rod interfaces without added hardware.
Buna-N (Nitrile) is specified here for low compression set under sustained load, reliable performance in both static and dynamic service. It resists greases and lubricants, hydraulic fluids, and many alcohols. Continuous operating temperature is published at -40°F (-40°C) to 250°F (121.1°C). It should not be specified for service in polar solvents or ketones.
Maintenance and OEM teams specify it across fluid power, general industrial maintenance, and hydraulic and pneumatic systems.
This item is sold individually under part number H5X52. Application requirements vary, so validate compatibility with your process conditions prior to installation. For a size or compound outside the standard catalog, APG can quote from a print or sample.
Description 5MM CS X 52MM ID BLACK BUNA 70D
Actual Outside Diameter 62 mm (2.44 inch)
Actual Cross Section 5 mm (0.197 inch)
Actual Inside Diameter 52 mm (2.047 inch)
Measurement System Metric
Product Category O-Rings - Metric - Commodity