Ordered as H90466, this is an AS568-466 black Buna-N (Nitrile) 90 Shore A O-Ring built to an inside diameter of 18.455 in (468.76 mm), a cross section of 0.275 in (6.99 mm), and an outside diameter of 19.005 in (482.73 mm). The o-ring creates a positive seal at flange, piston and rod interfaces without added hardware.
Buna-N (Nitrile) is specified here for low compression set under sustained load, reliable performance in both static and dynamic service. The material holds up against water, propane and butane, and hydraulic fluids. The material carries a published service range of -40°F (-40°C) to 250°F (121.1°C). Applications involving automotive brake fluid or ketones call for a different compound.
Common environments for this compound include fluid power, automotive, and hydraulic and pneumatic systems.
This item is sold individually under part number H90466. Unit weight is approximately 75.2 g and nominal inside diameter is listed as 18 1/2 inch. Check the compound against your process media, pressure and temperature before committing to a design. Not finding the exact configuration you need? APG cross-references from prints, samples and competitor part numbers.
description -466 BLACK BUNA 90D O-RING
uf_description2 0.275" (6.99MM) CS X 18.455" (468.76MM) ID
Actual_CS 0.275 inch (6.99 mm)
Actual_ID 18.455 inch (468.76 mm)
Actual_OD 19.005 inch (482.73 mm)
ProductCode Description O-Rings - Bulk - Commodity