3.55MM CS X 34.5MM ID BLACK BUNA 70D

Ordered as H3.55X34.5, this is a black Buna-N (Nitrile) 70 Shore A O-Ring built to an inside diameter of 34.5 mm (1.358 in), a cross section of 3.55 mm (0.14 in), and an outside diameter of 41.6 mm (1.64 in). The o-ring creates a positive seal at flange, piston and rod interfaces without added hardware.

As a material, Buna-N (Nitrile) is specified for reliable performance in both static and dynamic service, low compression set under sustained load. Expect good resistance to many alcohols, petroleum-based oils, and hydraulic fluids. Continuous operating temperature is published at -40°F (-40°C) to 250°F (121.1°C). It should not be specified for service in ketones or polar solvents.

You will find this material specified across fluid power, agricultural equipment, and automotive.

H3.55X34.5 ships individually. Unit weight is approximately 1.4682 g. Application requirements vary, so validate compatibility with your process conditions prior to installation. For a size or compound outside the standard catalog, APG can quote from a print or sample.