5.7MM CS X 419.3MM ID BLACK BUNA 70D

APG stocks the H5.7X419.3, a black Buna-N (Nitrile) 70 Shore A O-Ring built to an inside diameter of 419.3 mm (16.508 in), a cross section of 5.7 mm (0.224 in), and an outside diameter of 430.7 mm (16.96 in). An o-ring delivers dependable bidirectional sealing in a compact groove envelope. Supplementary detail from the product record: Metric O-RING, JIS G420.

Buna-N (Nitrile) offers low compression set under sustained load, reliable performance in both static and dynamic service. Expect good resistance to propane and butane, many alcohols, and water. Service temperature is rated from -40°F (-40°C) through 250°F (121.1°C).

Maintenance and OEM teams specify it across automotive, hydraulic and pneumatic systems, and construction equipment.

Stocked as H5.7X419.3 and sold individually. Unit weight is approximately 41.765 g. Check the compound against your process media, pressure and temperature before committing to a design.