![Generic Buna-N O-Ring [9-3/4″ ID] [3/16″ CS] (90-423-5376)](https://www.poolsprings.com/wp-content/uploads/2026/09/generic-buna-n-o-ring-9-3-4-id-3-16-cs-90-423-5376.webp)
Description
A Buna-N O-ring helps create a seal at a compatible large circular connection, and this generic version is sized with a 9-3/4 inch inside diameter and 3/16 inch cross-section using the 90-423-5376 reference. When a larger heavier-profile O-ring becomes flattened, cut, or worn, the assembly can lose the sealing support it should maintain under normal service conditions.
The 3/16 inch cross-section gives this O-ring practical value because broader sealing points often need more material than a lighter section can provide. A properly selected O-ring helps support cleaner compression and contributes to more dependable sealing performance where a substantial profile is required.
This type of part is especially useful when restoring a large original seal that depends on a thicker section for correct groove fill and reliable operation. That helps keep service more precise and more dependable.
Installed in the proper application, this O-ring helps support dependable sealing and contributes to cleaner overall assembly integrity.
- Buna-N O-ring with 9-3/4 inch ID and 3/16 inch cross-section
- Helps support dependable sealing where a thicker profile is required
- Useful when exact profile matching matters
- Supports cleaner targeted maintenance and repair
- Improves fit accuracy and sealing confidence
