-172 BLACK BUNA 70D O-RING

Part number H70MD172 is an AS568-172 black Buna-N (Nitrile) 70 Shore A O-Ring built to an inside diameter of 8.237 in (209.22 mm), a cross section of 0.103 in (2.62 mm), and an outside diameter of 8.443 in (214.45 mm). An o-ring remains the most cost-effective sealing element available for pressurized assemblies.

As a material, Buna-N (Nitrile) delivers reliable performance in both static and dynamic service, an economical choice for high-volume maintenance programs. The material holds up against water, hydraulic fluids, and greases and lubricants. Continuous operating temperature is published at -40°F (-40°C) to 250°F (121.1°C). It is not the right choice where polar solvents or ketones are present.

This o-ring is metal detectable for HACCP and foreign-body control programs. It sees regular use in general industrial maintenance, fluid power, and agricultural equipment.

Reference part number H70MD172 when ordering; the item is sold individually. Application requirements vary, so validate compatibility with your process conditions prior to installation. APG can cross-reference from an existing part number, a drawing or a physical sample if this size is not an exact match.