The H50924 is an AS568-924 black Buna-N (Nitrile) 50 Shore A O-Ring built to an inside diameter of 1.72 in (43.69 mm), a cross section of 0.118 in (3 mm), and an outside diameter of 1.956 in (49.68 mm). This o-ring compresses into its gland to block fluid or gas migration across a joint.
Buna-N (Nitrile) is specified here for low compression set under sustained load, reliable performance in both static and dynamic service. This material stands up to many alcohols, hydraulic fluids, and propane and butane. Published continuous service range is -40°F (-40°C) to 250°F (121.1°C). It should not be specified for service in automotive brake fluid or ketones.
Common environments for this compound include agricultural equipment, fluid power, and hydraulic and pneumatic systems.
This item is sold individually under part number H50924. Review your operating media and conditions against this specification before installation. APG can cross-reference from an existing part number, a drawing or a physical sample if this size is not an exact match.
Description -924 BLACK BUNA 50D O-RING
Actual Cross Section 0.118 inch (3 mm)
Actual Inside Diameter 1.72 inch (43.69 mm)
Actual Outside Diameter 1.956 inch (49.68 mm)
Measurement System Imperial
Product Category O-Rings - Bulk - Commodity