-261 BLACK BUNA 50D O-RING

Ordered as H50261, this is an AS568-261 black Buna-N (Nitrile) 50 Shore A O-Ring built to an inside diameter of 6.734 in (171.04 mm), a cross section of 0.139 in (3.53 mm), and an outside diameter of 7.012 in (178.1 mm). The o-ring delivers dependable bidirectional sealing in a compact groove envelope.

This material stands up to many alcohols, hydraulic fluids, and water. Buna-N (Nitrile) is widely chosen for strong abrasion and tear resistance, an economical choice for high-volume maintenance programs. Service temperature is rated from -40°F (-40°C) through 250°F (121.1°C).

Common environments for this compound include fluid power, general industrial maintenance, and agricultural equipment.

Stocked as H50261 and sold individually. As always, verify media compatibility and operating conditions against the requirements of your specific application. If you need a size, durometer or compound that is not listed, APG can cross-reference from a print, a sample or a competitor part number.