Ordered as H90363, this is an AS568-363 black Buna-N (Nitrile) 90 Shore A O-Ring with an inside diameter of 6.475 in (164.47 mm), a cross section of 0.21 in (5.33 mm), and an outside diameter of 6.895 in (175.13 mm). The o-ring remains the most cost-effective sealing element available for pressurized assemblies.
Buna-N (Nitrile) is specified here for low compression set under sustained load, strong abrasion and tear resistance. Expect good resistance to hydraulic fluids, many alcohols, and propane and butane. The material carries a published service range of -40°F (-40°C) to 250°F (121.1°C). Verify compatibility before use with automotive brake fluid or ozone and direct sunlight.
Common environments for this compound include agricultural equipment, general industrial maintenance, and hydraulic and pneumatic systems.
Reference part number H90363 when ordering; the item is sold individually. Unit weight is approximately 16.386 g and nominal inside diameter is listed as 6 1/2 inch. Check the compound against your process media, pressure and temperature before committing to a design. For a size or compound outside the standard catalog, APG can quote from a print or sample.
description -363 BLACK BUNA 90D O-RING
uf_description2 0.210" (5.33MM) CS X 6.475" (164.46MM) ID
Actual_CS 0.21 inch (5.33 mm)
Actual_ID 6.475 inch (164.47 mm)
Actual_OD 6.895 inch (175.13 mm)
ProductCode Description O-Rings - Bulk - Commodity