-401 BLACK BUNA 90D O-RING

Part number H90401 is an AS568-401 black Buna-N (Nitrile) 90 Shore A O-Ring built to an inside diameter of 1.475 in (37.47 mm), a cross section of 0.275 in (6.99 mm), and an outside diameter of 2.025 in (51.44 mm). An o-ring compresses into its gland to block fluid or gas migration across a joint.

As a material, Buna-N (Nitrile) is specified for low compression set under sustained load and an economical choice for high-volume maintenance programs. Expect good resistance to many alcohols, hydraulic fluids, and water. Continuous operating temperature is published at -40°F (-40°C) to 250°F (121.1°C).

Typical settings include construction equipment, fluid power, and automotive.

H90401 ships individually. Unit weight is approximately 7.083 g and nominal inside diameter is listed as 1 1/2 inch. As always, verify media compatibility and operating conditions against the requirements of your specific application. For a size or compound outside the standard catalog, APG can quote from a print or sample.