3.5MM CS X 118MM ID BLACK BUNA 70D

Ordered as H3.5X118, this is a black Buna-N (Nitrile) 70 Shore A O-Ring supplied with an inside diameter of 118 mm (4.646 in), a cross section of 3.5 mm (0.138 in), and an outside diameter of 125 mm (4.92 in). The o-ring delivers dependable bidirectional sealing in a compact groove envelope.

As a material, Buna-N (Nitrile) delivers low compression set under sustained load and an economical choice for high-volume maintenance programs. Expect good resistance to many alcohols, petroleum-based oils, and water. Published continuous service range is -40°F (-40°C) to 250°F (121.1°C). Exposure to polar solvents or ketones will shorten service life.

It sees regular use in automotive, construction equipment, and general industrial maintenance.

Stocked as H3.5X118 and sold individually. Unit weight is approximately 4.4851 g. Confirm chemical compatibility, pressure and temperature against your own application requirements before installing.