3MM CS X 124.5MM ID BLACK BUNA 90D

The H90M3X124.5 is a black Buna-N (Nitrile) 90 Shore A O-Ring measuring an inside diameter of 124.5 mm (4.902 in), a cross section of 3 mm (0.118 in), and an outside diameter of 130.5 mm (5.14 in). This o-ring delivers dependable bidirectional sealing in a compact groove envelope.

As a material, Buna-N (Nitrile) is valued for low compression set under sustained load and an economical choice for high-volume maintenance programs. Expect good resistance to greases and lubricants, propane and butane, and petroleum-based oils. The material carries a published service range of -40°F (-40°C) to 250°F (121.1°C).

You will find this material specified across construction equipment, agricultural equipment, and general industrial maintenance.

Order part number H90M3X124.5, sold individually. Application requirements vary, so validate compatibility with your process conditions prior to installation.