Ordered as H50458, this is an AS568-458 black Buna-N (Nitrile) 50 Shore A O-Ring supplied with an inside diameter of 14.475 in (367.67 mm), a cross section of 0.275 in (6.99 mm), and an outside diameter of 15.025 in (381.64 mm). The o-ring remains the most cost-effective sealing element available for pressurized assemblies.
Buna-N (Nitrile) is specified for low compression set under sustained load, strong abrasion and tear resistance. Expect good resistance to water, greases and lubricants, and propane and butane. Service temperature is rated from -40°F (-40°C) through 250°F (121.1°C).
You will find this material specified across fluid power, automotive, and construction equipment.
Stocked as H50458 and sold individually. Review your operating media and conditions against this specification before installation.
Description -458 BLACK BUNA 50D O-RING
Actual Cross Section 0.275 inch (6.99 mm)
Actual Inside Diameter 14.475 inch (367.67 mm)
Actual Outside Diameter 15.025 inch (381.64 mm)
Measurement System Imperial
Product Category O-Rings - Bulk - Commodity