O" Ring-Buna N

O" Ring-Buna N

This is a standard AS568-124 O-ring made from Buna-N (Nitrile) 70 durometer rubber, a common and versatile sealing material. It is designed for use in the hydraulic systems of concrete mixers, providing a reliable seal in pumps, valves, and filter assemblies. Its material composition offers excellent resistance to petroleum-based oils, hydrocarbon fuels, and water, making it an essential replacement part for preventing leaks and maintaining hydraulic system integrity. This O-ring is a direct cross-reference for McNeilus part number 070.568.124.

Key Features

• Made from Buna-N (Nitrile) rubber for excellent resistance to petroleum-based hydraulic fluids and fuels.
• Conforms to AS568-124 industry standard size for wide compatibility.
• 70A durometer hardness provides an effective balance of flexibility and durability for sealing applications.
• Direct replacement for McNeilus OEM part number 070.568.124.
• Effective operating temperature range from approximately -40°F to +250°F.

Fits These Mixers

McNeilus, Terex, Con-Tech. Fits McNeilus concrete mixers as a hydraulic system seal. Due to its standard sizing, it can also be used as a general-purpose O-ring in hydraulic applications on other equipment from brands like Terex and Con-Tech that require an AS568-124 O-ring.

All measurements ± standard manufacturing tolerance.

Product descriptions are drafted with automated tools and reviewed as time allows. While we work to keep them accurate, specifications and fitment should be confirmed with a Customer Service specialist at 800-745-3414 before purchase. Found an error? Let us know and we’ll fix it.