3MM CS X 145MM ID BLACK BUNA 90D

Ordered as H90M3X145, this is a black Buna-N (Nitrile) 90 Shore A O-Ring built to an inside diameter of 145 mm (5.709 in), a cross section of 3 mm (0.118 in), and an outside diameter of 151 mm (5.94 in). The o-ring delivers dependable bidirectional sealing in a compact groove envelope.

Buna-N (Nitrile) is specified here for strong abrasion and tear resistance, low compression set under sustained load. The material holds up against petroleum-based oils, hydraulic fluids, and water. Published continuous service range is -40°F (-40°C) to 250°F (121.1°C). It is not the right choice where polar solvents or automotive brake fluid are present.

It sees regular use in automotive, agricultural equipment, and construction equipment.

Order part number H90M3X145, sold individually. Unit weight is approximately 4.244 g. As always, verify media compatibility and operating conditions against the requirements of your specific application. If you need a size, durometer or compound that is not listed, APG can cross-reference from a print, a sample or a competitor part number.