N90 Bulk Packaged O-Ring: Buna-N, Round, 1/4 in C.S., 8 1/2 in I.D.

The N90 Buna-N O-Ring is used for sealing static and dynamic applications in industrial equipment, including hydraulic and pneumatic systems, pumps, and valves. Its 90A durometer provides firm compression resistance, making it suitable for high-pressure sealing in machinery across machining, power transmission, and material handling departments.

The N90 Bulk Packaged O-Ring (MPN GR-N90446/50) is Buna-N, round, with a 1/4 in cross-section and 8 1/2 in inside diameter. It has a 90A durometer, dash number 446, and an operating temperature range of -13°F to 250°F. Supplied in a 50-pack, it is a standard industrial seal for fluid and gas containment.

3G Electric supplies the N90 Buna-N O-Ring worldwide, handling full logistics and customs clearance for global delivery. As a sourcing partner across 14 industrial departments, we provide genuine seals like this Buna-N O-Ring, along with brands such as SKF and Festo, ensuring you get the right part for your application.

To select the correct N90 O-Ring, match the inside diameter (I.D.) and cross-section (C.S.) to your gland dimensions. For this part, the I.D. is 8 1/2 in and C.S. is 1/4 in. Verify the durometer (90A) suits your pressure and temperature range (-13°F to 250°F). Consult a seal design guide for groove depth and clearance.