Pentair Purex CF/SMBW 800 Hex Nut (71407) oreq The 17/32 inch cross-section gives

The 17/32 inch cross-section gives this O-ring practical value because extremely large assemblies often require exceptional sealing mass for correct groove fill and compression

and Light applications where the original face has become faded

Paragon Aquatics vertical plastic tread

and this Praher Plastics version is a black 2 inch TM-22-PB assembly using the E55-T22PB reference

Pentair Purex CF/SMBW 800 Hex Nut (71407) oreq The 17/32 inch cross-section givesWhen a worn or missing component is affecting performance, this replacement helps bring the assembly back to proper working condition. The fastener is used on CF SMBW 800 Hex Nut applications and helps hold the service assembly together with the correct thread and hardware fit. It is a useful replacement when the existing part is cracked, corroded, stripped, distorted, leaking, missing, or no longer holding the correct operating position. A correct