5.7MM CS X 64.2MM ID BLACK BUNA 90D

APG stocks the H90M5.7X64.2, a black Buna-N (Nitrile) 90 Shore A O-Ring with an inside diameter of 64.2 mm (2.528 in), a cross section of 5.7 mm (0.224 in), and an outside diameter of 75.6 mm (2.98 in). An o-ring delivers dependable bidirectional sealing in a compact groove envelope.

Expect good resistance to propane and butane, hydraulic fluids, and water. Buna-N (Nitrile) is specified for strong abrasion and tear resistance, low compression set under sustained load. Service temperature is rated from -40°F (-40°C) through 250°F (121.1°C). Verify compatibility before use with automotive brake fluid or polar solvents.

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

This item is sold individually under part number H90M5.7X64.2. Application requirements vary, so validate compatibility with your process conditions prior to installation.