5.3MM CS X 103MM ID BLACK BUNA 70D

Part number H5.3X103 is a black Buna-N (Nitrile) 70 Shore A O-Ring measuring an inside diameter of 103 mm (4.055 in), a cross section of 5.3 mm (0.209 in), and an outside diameter of 113.6 mm (4.47 in). An o-ring creates a positive seal at flange, piston and rod interfaces without added hardware.

As a material, Buna-N (Nitrile) is specified for strong abrasion and tear resistance, an economical choice for high-volume maintenance programs. This material stands up to water, greases and lubricants, and propane and butane. The material carries a published service range of -40°F (-40°C) to 250°F (121.1°C). It is not the right choice where strong acids or polar solvents are present.

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

H5.3X103 ships individually. Unit weight is approximately 9.4333 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.