This o-ring is supplied in AS568-379 black Buna-N (Nitrile) 50 Shore A with an inside diameter of 10.975 in (278.77 mm), a cross section of 0.21 in (5.33 mm), and an outside diameter of 11.395 in (289.43 mm), catalogued under part number H50379. It provides a reliable static or dynamic seal by deforming into its gland under assembly load.
As a material, Buna-N (Nitrile) is specified for strong abrasion and tear resistance, an economical choice for high-volume maintenance programs. Expect good resistance to petroleum-based oils, hydraulic fluids, and greases and lubricants. Rated temperature range runs from -40°F (-40°C) to 250°F (121.1°C) in continuous service. It is not the right choice where ozone and direct sunlight or polar solvents are present.
Common environments for this compound include hydraulic and pneumatic systems, agricultural equipment, and fluid power.
H50379 ships individually. Nominal inside diameter is listed as 11 inch. Review your operating media and conditions against this specification before installation.
Description -379 BLACK BUNA 50D O-RING
Actual Cross Section 0.21 inch (5.33 mm)
Actual Inside Diameter 10.975 inch (278.77 mm)
Actual Outside Diameter 11.395 inch (289.43 mm)
Measurement System Imperial
Product Category O-Rings - Bulk - Commodity