4MM CS X 25MM ID BLACK BUNA 90D

Part number H90M4X25 is a black Buna-N (Nitrile) 90 Shore A O-Ring built to an inside diameter of 25 mm (0.984 in), a cross section of 4 mm (0.157 in), and an outside diameter of 33 mm (1.3 in). An o-ring remains the most cost-effective sealing element available for pressurized assemblies.

Buna-N (Nitrile) is valued for reliable performance in both static and dynamic service, an economical choice for high-volume maintenance programs. This material stands up to many alcohols, water, and petroleum-based oils. The material carries a published service range of -40°F (-40°C) to 250°F (121.1°C). Applications involving ketones or ozone and direct sunlight call for a different compound.

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

Order part number H90M4X25, sold individually. Unit weight is approximately 1.478 g. Review your operating media and conditions against this specification before installation. APG supports cross-referencing from drawings, samples and competitor numbers when a listed size is not an exact fit.