The H50469 is an AS568-469 black Buna-N (Nitrile) 50 Shore A O-Ring supplied with an inside diameter of 19.955 in (506.86 mm), a cross section of 0.275 in (6.99 mm), and an outside diameter of 20.505 in (520.83 mm). This o-ring remains the most cost-effective sealing element available for pressurized assemblies.
Buna-N (Nitrile) is specified here for strong abrasion and tear resistance, low compression set under sustained load. The compound resists water, greases and lubricants, and hydraulic fluids. Published continuous service range is -40°F (-40°C) to 250°F (121.1°C).
Maintenance and OEM teams specify it across agricultural equipment, automotive, and fluid power.
H50469 ships individually. Nominal inside diameter is listed as 20 inch. Check the compound against your process media, pressure and temperature before committing to a design.
description -469 BLACK BUNA 50D O-RING
uf_description2 0.275" (6.99MM) CS X 19.955" (506.86MM) ID
Actual_CS 0.275 inch (6.99 mm)
Actual_ID 19.955 inch (506.86 mm)
Actual_OD 20.505 inch (520.83 mm)
ProductCode Description O-Rings - Bulk - Commodity