4MM CS X 10MM ID BLACK BUNA 70D

H4X10 is a black Buna-N (Nitrile) 70 Shore A O-Ring supplied with an inside diameter of 10 mm (0.394 in), a cross section of 4 mm (0.157 in), and an outside diameter of 18 mm (0.71 in). In service, this o-ring delivers dependable bidirectional sealing in a compact groove envelope.

Buna-N (Nitrile) is specified here for most widely specified general-purpose sealing elastomer and low compression set under sustained load. It resists hydraulic fluids, water, and greases and lubricants. Published continuous service range is -40°F (-40°C) to 250°F (121.1°C). Verify compatibility before use with automotive brake fluid or strong acids.

Maintenance and OEM teams specify it across automotive, fluid power, and hydraulic and pneumatic systems.

Stocked as H4X10 and sold individually. Unit weight is approximately 0.675 g. Confirm chemical compatibility, pressure and temperature against your own application requirements before installing.