Retaining nut for the gray 6540-126 filter fitting used on Jacuzzi spas. This nut helps to keep the filter fitting in place and creates a tight seal to the shell.
Here is the filter fitting this nut mates to: Jacuzzi Filter Fitting w/ High Flow Strainer, 2″ Slip x 2″ SAE
| Jet Part Type | Nut |
| Manufacturer | Jacuzzi / Sundance |
| Color | White |
| Inside Diameter | 2-3/4″ |
| Outside Diameter | 3-7/8″ |








