O"" Ring - Buna

O"" Ring - Buna

This is an AS568-116 standard Buna-N (Nitrile) O-ring, a common sealing component used in a wide variety of general purpose applications across concrete mixer trucks. Made from 70 durometer Buna-N rubber, it offers excellent resistance to petroleum-based oils, hydrocarbon fuels, and water, making it suitable for hydraulic and pneumatic systems. This part is needed for routine maintenance or repair of leaking connections in hydraulic cylinders, valves, and pumps to ensure the proper functioning of equipment. Its standardized size and material make it a versatile and essential replacement part for general mixer maintenance.

Key Features

• Standard AS568-116 size for broad compatibility
• Made from 70 durometer Buna-N (Nitrile) for excellent sealing
• Resistant to petroleum products, water, and abrasion
• Temperature range of approximately -40°F to +250°F
• Prevents leaks in hydraulic and pneumatic systems

Fits These Mixers

McNeilus, Terex, Con-Tech. This is a general purpose O-ring fitting numerous applications across various concrete mixer brands, including McNeilus, Terex, and Con-Tech. Its standardized AS568-116 size makes it suitable for many common hydraulic and fluid system connections where a Buna-N seal with these dimensions is specified.

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.