3MM CS X 99MM ID BLACK BUNA 70D

Part number H3X99 is a black Buna-N (Nitrile) 70 Shore A O-Ring measuring an inside diameter of 99 mm (3.898 in), a cross section of 3 mm (0.118 in), and an outside diameter of 105 mm (4.13 in). An o-ring creates a positive seal at flange, piston and rod interfaces without added hardware.

As a material, Buna-N (Nitrile) delivers reliable performance in both static and dynamic service, an economical choice for high-volume maintenance programs. Expect good resistance to propane and butane, greases and lubricants, and many alcohols. The material carries a published service range of -40°F (-40°C) to 250°F (121.1°C).

Common environments for this compound include general industrial maintenance, fluid power, and automotive.

Stocked as H3X99 and sold individually. Unit weight is approximately 2.77 g. As always, verify media compatibility and operating conditions against the requirements of your specific application. APG can cross-reference from an existing part number, a drawing or a physical sample if this size is not an exact match.