-429 BLACK BUNA 70D O-RING

APG stocks the H70429, an AS568-429 black Buna-N (Nitrile) 70 Shore A O-Ring supplied with an inside diameter of 4.975 in (126.37 mm), a cross section of 0.275 in (6.99 mm), and an outside diameter of 5.525 in (140.34 mm). An o-ring compresses into its gland to block fluid or gas migration across a joint.

The compound resists water, hydraulic fluids, and greases and lubricants. Buna-N (Nitrile) is valued for an economical choice for high-volume maintenance programs, reliable performance in both static and dynamic service. Continuous operating temperature is published at -40°F (-40°C) to 250°F (121.1°C). Verify compatibility before use with polar solvents or strong acids.

It sees regular use in general industrial maintenance, hydraulic and pneumatic systems, and agricultural equipment.

This item is sold individually under part number H70429. Unit weight is approximately 0.0198 g and nominal inside diameter is listed as 5 inch. 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.