5MM CS X 194MM ID BLACK BUNA 70D

H5X194 is a black Buna-N (Nitrile) 70 Shore A O-Ring with an inside diameter of 194 mm (7.638 in), a cross section of 5 mm (0.197 in), and an outside diameter of 204 mm (8.03 in). In service, this o-ring creates a positive seal at flange, piston and rod interfaces without added hardware.

Expect good resistance to hydraulic fluids, greases and lubricants, and many alcohols. Buna-N (Nitrile) is widely chosen for low compression set under sustained load and an economical choice for high-volume maintenance programs. Published continuous service range is -40°F (-40°C) to 250°F (121.1°C). It should not be specified for service in ozone and direct sunlight or ketones.

Maintenance and OEM teams specify it across agricultural equipment, fluid power, and general industrial maintenance.

Order part number H5X194, sold individually. Unit weight is approximately 15.69 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.