Generic Buna-N O-Ring [3-1/2" ID] [1/16" CS] (O-619)

A Buna-N O-ring helps create a seal at a compatible larger circular connection, and this generic version is sized with a 3-1/2 inch inside diameter and 1/16 inch cross-section using the O-619 reference. When a larger slim-profile O-ring becomes worn or compressed, the assembly can lose the sealing support it should maintain.

The combination of a larger diameter with a thinner cross-section gives this O-ring practical value because some wider applications still rely on a lighter profile for correct groove fit. A properly selected O-ring helps support cleaner installation and contributes to more dependable sealing performance.

This type of part is especially useful when the original equipment design calls for a large-diameter seal without the added bulk of a thicker profile. That makes it practical for precise maintenance work.

Installed in the proper application, this O-ring helps support dependable sealing and contributes to cleaner overall assembly integrity.

• Buna-N O-ring with 3-1/2 inch ID and 1/16 inch cross-section
• Helps support dependable sealing in larger slim-profile applications
• Useful when exact dimensional replacement matters
• Supports cleaner targeted maintenance and repair
• Improves fit accuracy and sealing confidence