4.5MM CS X 28MM ID BLACK BUNA 70D

Ordered as H4.5X28, this is a black Buna-N (Nitrile) 70 Shore A O-Ring built to an inside diameter of 28 mm (1.102 in), a cross section of 4.5 mm (0.177 in), and an outside diameter of 37 mm (1.46 in). The o-ring creates a positive seal at flange, piston and rod interfaces without added hardware.

As a material, Buna-N (Nitrile) is widely chosen for an economical choice for high-volume maintenance programs and the most widely specified general-purpose sealing elastomer. This material stands up to propane and butane, petroleum-based oils, and water. Continuous operating temperature is published at -40°F (-40°C) to 250°F (121.1°C).

You will find this material specified across general industrial maintenance, fluid power, and automotive.

H4.5X28 ships individually. Application requirements vary, so validate compatibility with your process conditions prior to installation.