5.7MM CS X 189.3MM ID BLACK BUNA 70D

Part number H5.7X189.3 is a black Buna-N (Nitrile) 70 Shore A O-Ring supplied with an inside diameter of 189.3 mm (7.453 in), a cross section of 5.7 mm (0.224 in), and an outside diameter of 200.7 mm (7.9 in). An o-ring delivers dependable bidirectional sealing in a compact groove envelope. This item is further identified as Metric O-RING, JIS G190.

Buna-N (Nitrile) is specified here for economical choice for high-volume maintenance programs and most widely specified general-purpose sealing elastomer. It resists petroleum-based oils, water, and propane and butane. Published continuous service range is -40°F (-40°C) to 250°F (121.1°C). Verify compatibility before use with ozone and direct sunlight or strong acids.

It sees regular use in automotive, hydraulic and pneumatic systems, and agricultural equipment.

Order part number H5.7X189.3, sold individually. Unit weight is approximately 19.101 g. As always, verify media compatibility and operating conditions against the requirements of your specific application.