-419 BLACK BUNA 70D O-RING

Part number H70419 is an AS568-419 black Buna-N (Nitrile) 70 Shore A O-Ring with an inside diameter of 3.725 in (94.62 mm), a cross section of 0.275 in (6.99 mm), and an outside diameter of 4.275 in (108.59 mm). An o-ring creates a positive seal at flange, piston and rod interfaces without added hardware.

As a material, Buna-N (Nitrile) is specified for reliable performance in both static and dynamic service, an economical choice for high-volume maintenance programs. It resists many alcohols, water, and propane and butane. The material carries a published service range of -40°F (-40°C) to 250°F (121.1°C). It should not be specified for service in ketones or strong acids.

You will find this material specified across general industrial maintenance, fluid power, and agricultural equipment.

H70419 ships individually. Unit weight is approximately 18.5364 g and nominal inside diameter is listed as 3 3/4 inch. Application requirements vary, so validate compatibility with your process conditions prior to installation.