Generic Buna-N O-Ring [5-1/2" ID] [1/4" CS] (90-423-5433)

A Buna-N O-ring helps create a seal at a compatible large circular connection, and this generic version is sized with a 5-1/2 inch inside diameter and 1/4 inch cross-section using the 90-423-5433 reference. When a large heavy-profile O-ring becomes worn, compressed, or damaged, the assembly can lose the sealing support it should maintain around the full circumference.

The 1/4 inch cross-section gives this O-ring practical value because larger sealing surfaces often depend on a more substantial profile to achieve the intended groove fill and contact area. A properly selected O-ring helps support cleaner compression and contributes to more dependable sealing performance in broader circular assemblies.

This type of part is especially useful when replacing a large original seal that must be matched closely in both diameter and cross-section to restore reliable operation. That keeps service more accurate and 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 5-1/2 inch ID and 1/4 inch cross-section
• Helps support dependable sealing in large compatible applications
• Useful when a heavier seal profile is required
• Supports cleaner targeted maintenance and repair
• Improves fit confidence and sealing reliability