Part number H90M3X109.5 is a black Buna-N (Nitrile) 90 Shore A O-Ring with an inside diameter of 109.5 mm (4.311 in), a cross section of 3 mm (0.118 in), and an outside diameter of 115.5 mm (4.55 in). An o-ring delivers dependable bidirectional sealing in a compact groove envelope.
As a material, Buna-N (Nitrile) is specified for reliable performance in both static and dynamic service, an economical choice for high-volume maintenance programs. Expect good resistance to water, petroleum-based oils, and many alcohols. Published continuous service range is -40°F (-40°C) to 250°F (121.1°C). It should not be specified for service in polar solvents or automotive brake fluid.
It sees regular use in construction equipment, general industrial maintenance, and hydraulic and pneumatic systems.
Order part number H90M3X109.5, sold individually. Check the compound against your process media, pressure and temperature before committing to a design.
Description 3MM CS X 109.5MM ID BLACK BUNA 90D
Actual Outside Diameter 115.5 mm (4.55 inch)
Actual Cross Section 3 mm (0.118 inch)
Actual Inside Diameter 109.5 mm (4.311 inch)
Measurement System Metric
Product Category O-Rings - Metric - Commodity