4.5MM CS X 130MM ID BLACK BUNA 70D

Ordered as H4.5X130, this is a black Buna-N (Nitrile) 70 Shore A O-Ring with an inside diameter of 130 mm (5.118 in), a cross section of 4.5 mm (0.177 in), and an outside diameter of 139 mm (5.47 in). The o-ring creates a positive seal at flange, piston and rod interfaces without added hardware.

It resists hydraulic fluids, many alcohols, and water. Buna-N (Nitrile) delivers reliable performance in both static and dynamic service, an economical choice for high-volume maintenance programs. Rated temperature range runs from -40°F (-40°C) to 250°F (121.1°C) in continuous service. Verify compatibility before use with ketones or ozone and direct sunlight.

Maintenance and OEM teams specify it across construction equipment, agricultural equipment, and automotive.

This item is sold individually under part number H4.5X130. As always, verify media compatibility and operating conditions against the requirements of your specific application. For a size or compound outside the standard catalog, APG can quote from a print or sample.