5.7MM CS X 249.3MM ID BLACK BUNA 90D

APG stocks the H90M5.7X249.3, a black Buna-N (Nitrile) 90 Shore A O-Ring supplied with an inside diameter of 249.3 mm (9.815 in), a cross section of 5.7 mm (0.224 in), and an outside diameter of 260.7 mm (10.26 in). An o-ring remains the most cost-effective sealing element available for pressurized assemblies. This item is further identified as Metric O-RING, JIS G250.

Buna-N (Nitrile) is specified here for strong abrasion and tear resistance, reliable performance in both static and dynamic service. This material stands up to propane and butane, hydraulic fluids, and water. Rated temperature range runs from -40°F (-40°C) to 250°F (121.1°C) in continuous service.

Typical settings include agricultural equipment, hydraulic and pneumatic systems, and construction equipment.

Reference part number H90M5.7X249.3 when ordering; the item is sold individually. Unit weight is approximately 28.401 g. As always, verify media compatibility and operating conditions against the requirements of your specific application. APG supports cross-referencing from drawings, samples and competitor numbers when a listed size is not an exact fit.