APG stocks the H90M3X54.5, a black Buna-N (Nitrile) 90 Shore A O-Ring measuring an inside diameter of 54.5 mm (2.146 in), a cross section of 3 mm (0.118 in), and an outside diameter of 60.5 mm (2.38 in). An o-ring delivers dependable bidirectional sealing in a compact groove envelope.
Buna-N (Nitrile) is specified here for low compression set under sustained load, strong abrasion and tear resistance. It resists greases and lubricants, many alcohols, and petroleum-based oils. Published continuous service range is -40°F (-40°C) to 250°F (121.1°C).
Common environments for this compound include construction equipment, fluid power, and hydraulic and pneumatic systems.
This item is sold individually under part number H90M3X54.5. Confirm chemical compatibility, pressure and temperature against your own application requirements before installing. 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.
Description 3MM CS X 54.5MM ID BLACK BUNA 90D
Actual Outside Diameter 60.5 mm (2.38 inch)
Actual Cross Section 3 mm (0.118 inch)
Actual Inside Diameter 54.5 mm (2.146 inch)
Measurement System Metric
Product Category O-Rings - Metric - Commodity