The H50028 is an AS568-028 black Buna-N (Nitrile) 50 Shore A O-Ring with an inside diameter of 1.364 in (34.65 mm), a cross section of 0.07 in (1.78 mm), and an outside diameter of 1.504 in (38.2 mm). This o-ring seats in a machined groove and forms a leak-tight barrier when compressed between two mating surfaces.
As a material, Buna-N (Nitrile) offers the most widely specified general-purpose sealing elastomer and low compression set under sustained load. Expect good resistance to many alcohols, hydraulic fluids, and greases and lubricants. Published continuous service range is -40°F (-40°C) to 250°F (121.1°C). Verify compatibility before use with ozone and direct sunlight or polar solvents.
You will find this material specified across agricultural equipment, automotive, and hydraulic and pneumatic systems.
Order part number H50028, sold individually. As always, verify media compatibility and operating conditions against the requirements of your specific application.
Description -028 BLACK BUNA 50D O-RING
Actual Cross Section 0.07 inch (1.78 mm)
Actual Inside Diameter 1.364 inch (34.65 mm)
Actual Outside Diameter 1.504 inch (38.2 mm)
Measurement System Imperial
Product Category O-Rings - Bulk - Commodity