The H4X90 is a black Buna-N (Nitrile) 70 Shore A O-Ring built to an inside diameter of 90 mm (3.543 in), a cross section of 4 mm (0.157 in), and an outside diameter of 98 mm (3.86 in). This o-ring delivers dependable bidirectional sealing in a compact groove envelope.
As a material, Buna-N (Nitrile) is specified for strong abrasion and tear resistance, reliable performance in both static and dynamic service. The material holds up against water, hydraulic fluids, and greases and lubricants. The material carries a published service range of -40°F (-40°C) to 250°F (121.1°C). It is not the right choice where automotive brake fluid or ozone and direct sunlight are present.
It sees regular use in general industrial maintenance, automotive, and agricultural equipment.
This item is sold individually under part number H4X90. Unit weight is approximately 4.432 g. Check the compound against your process media, pressure and temperature before committing to a design.
Description 4MM CS X 90MM ID BLACK BUNA 70D
Actual Outside Diameter 98 mm (3.86 inch)
Actual Cross Section 4 mm (0.157 inch)
Actual Inside Diameter 90 mm (3.543 inch)
Measurement System Metric
Product Category O-Rings - Metric - Commodity