.139 BUNA-N 4 LOBE CORD 70 DUROMETER

Ordered as 0Q284139, this is a black Buna-N (Nitrile) 70 Shore A quad profile O-Ring Cord Stock built to a cross section of 0.139 in (3.53 mm). The o-ring cord stock supports field repair of oversized or non-standard sealing grooves without a special tooling charge.

As a material, Buna-N (Nitrile) delivers reliable performance in both static and dynamic service, an economical choice for high-volume maintenance programs. The compound resists hydraulic fluids, propane and butane, and water. Verify compatibility before use with ketones or automotive brake fluid.

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

This item is sold by the foot under part number 0Q284139. Check the compound against your process media, pressure and temperature before committing to a design.