Generic Square Ring [6-3/4" ID] [5/32" CS], (O-300)

A square ring helps create a seal at a compatible circular connection where a flat-sided profile is specified, and this generic version is sized with a 6-3/4 inch inside diameter and 5/32 inch cross-section using the O-300 reference. When a square-profile seal becomes worn, flattened, or cut, the assembly can lose the sealing support it should maintain.

The square-ring profile gives this part practical value because some groove designs depend on seal geometry that differs from a standard round O-ring. A properly selected square ring helps support cleaner seating and contributes to more dependable sealing performance where a profile-specific replacement is required.

This type of part is especially useful during service work where both cross-section style and diameter need to match the original seal closely. That keeps repairs more accurate and more dependable.

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

• Square ring with 6-3/4 inch ID and 5/32 inch cross-section
• Helps support dependable sealing in square-profile applications
• Useful when exact seal shape and sizing matter
• Supports cleaner targeted maintenance and repair
• Improves fit confidence and sealing reliability