6 X 4MM THICK O-RING BUNA-N70

Buna-N, also know as nitrile, O-Rings are the most common and the most simplest types of seal with an excellent sealing property and durability. Recommended for use with crude oil, gasoline, propane, petroleum oils and water. It is used in engines, gearboxes and also can be found in anything from shower heads, garden hoses, pumps and even aircraft. Buna-N O-Rings are used as a face to face gasket style seal or as a shaft seal, and allow both rotary and linear movement.