This o-ring is supplied in AS568-310 black Buna-N (Nitrile) 50 Shore A supplied with an inside diameter of 0.475 in (12.07 mm), a cross section of 0.21 in (5.33 mm), and an outside diameter of 0.895 in (22.73 mm), catalogued under part number H50310. It compresses into its gland to block fluid or gas migration across a joint.
The compound resists hydraulic fluids, many alcohols, and greases and lubricants. Buna-N (Nitrile) is specified for an economical choice for high-volume maintenance programs and the most widely specified general-purpose sealing elastomer. Service temperature is rated from -40°F (-40°C) through 250°F (121.1°C). It should not be specified for service in strong acids or polar solvents.
Common environments for this compound include agricultural equipment, general industrial maintenance, and construction equipment.
This item is sold individually under part number H50310. As always, verify media compatibility and operating conditions against the requirements of your specific application. APG can cross-reference from an existing part number, a drawing or a physical sample if this size is not an exact match.
Description -310 BLACK BUNA 50D O-RING
Actual Cross Section 0.21 inch (5.33 mm)
Actual Inside Diameter 0.475 inch (12.07 mm)
Actual Outside Diameter 0.895 inch (22.73 mm)
Measurement System Imperial
Product Category O-Rings - Bulk - Commodity