5MM CS X 148MM ID BLACK BUNA 90D

APG stocks the H90M5X148, a black Buna-N (Nitrile) 90 Shore A O-Ring with an inside diameter of 148 mm (5.827 in), a cross section of 5 mm (0.197 in), and an outside diameter of 158 mm (6.22 in). An o-ring provides a reliable static or dynamic seal by deforming into its gland under assembly load.

Buna-N (Nitrile) offers an economical choice for high-volume maintenance programs and low compression set under sustained load. This material stands up to petroleum-based oils, hydraulic fluids, and many alcohols. The material carries a published service range of -40°F (-40°C) to 250°F (121.1°C). Verify compatibility before use with ozone and direct sunlight or polar solvents.

Maintenance and OEM teams specify it across automotive, construction equipment, and fluid power.

Reference part number H90M5X148 when ordering; the item is sold individually. Unit weight is approximately 12.282 g. Confirm chemical compatibility, pressure and temperature against your own application requirements before installing.