-037 BLACK BUNA 90D O-RING

The H90037 is an AS568-037 black Buna-N (Nitrile) 90 Shore A O-Ring built to an inside diameter of 2.489 in (63.22 mm), a cross section of 0.07 in (1.78 mm), and an outside diameter of 2.629 in (66.78 mm). This o-ring delivers dependable bidirectional sealing in a compact groove envelope.

Expect good resistance to many alcohols, greases and lubricants, and hydraulic fluids. Buna-N (Nitrile) is widely chosen for the most widely specified general-purpose sealing elastomer and low compression set under sustained load. Service temperature is rated from -40°F (-40°C) through 250°F (121.1°C). It should not be specified for service in automotive brake fluid or strong acids.

Maintenance and OEM teams specify it across general industrial maintenance, hydraulic and pneumatic systems, and agricultural equipment.

H90037 ships individually. Unit weight is approximately 0.6867 g. As always, verify media compatibility and operating conditions against the requirements of your specific application. APG supports cross-referencing from drawings, samples and competitor numbers when a listed size is not an exact fit.