H5.3X122 is a black Buna-N (Nitrile) 70 Shore A O-Ring with an inside diameter of 122 mm (4.803 in), a cross section of 5.3 mm (0.209 in), and an outside diameter of 132.6 mm (5.22 in). In service, this o-ring remains the most cost-effective sealing element available for pressurized assemblies.
Buna-N (Nitrile) is specified for the most widely specified general-purpose sealing elastomer, strong abrasion and tear resistance. This material stands up to many alcohols, petroleum-based oils, and propane and butane. Continuous operating temperature is published at -40°F (-40°C) to 250°F (121.1°C).
Maintenance and OEM teams specify it across fluid power, hydraulic and pneumatic systems, and agricultural equipment.
Stocked as H5.3X122 and sold individually. Unit weight is approximately 10.896 g. Application requirements vary, so validate compatibility with your process conditions prior to installation. Not finding the exact configuration you need? APG cross-references from prints, samples and competitor part numbers.
description 5.3MM CS X 122MM ID BLACK BUNA 70D
uf_description2 METRIC O-RING
Actual_OD 132.6 mm (5.22 inch)
Actual_CS 5.3 mm (0.209 inch)
Actual_ID 122 mm (4.803 inch)
ProductCode Description O-Rings - Metric - Commodity