4MM CS X 320MM ID BLACK BUNA 70D

H4X320 is a black Buna-N (Nitrile) 70 Shore A O-Ring measuring an inside diameter of 320 mm (12.598 in), a cross section of 4 mm (0.157 in), and an outside diameter of 328 mm (12.91 in). In service, this o-ring delivers dependable bidirectional sealing in a compact groove envelope.

Buna-N (Nitrile) is specified here for economical choice for high-volume maintenance programs and most widely specified general-purpose sealing elastomer. This material stands up to greases and lubricants, water, and petroleum-based oils. Continuous operating temperature is published at -40°F (-40°C) to 250°F (121.1°C).

Common environments for this compound include agricultural equipment, general industrial maintenance, and construction equipment.

This item is sold individually under part number H4X320. Unit weight is approximately 15.807 g. Confirm chemical compatibility, pressure and temperature against your own application requirements before installing. APG can cross-reference from an existing part number, a drawing or a physical sample if this size is not an exact match.