Description
Barnes Replacement Part — O-Ring
The Barnes M-5690-B is a replacement o-ring (VITON), 3.750". A circular elastomeric sealing component that creates a pressure-tight seal between mating pump components.
Part Specifications
| Part Number | M-5690-B |
| Part Type | O-Ring |
| Material | VITON |
| Dimensions | 3.750" |
| Brand | Barnes |
⚠ Confirm Compatibility Before OrderingAlways verify this part is correct for your specific pump model. Contact PumpStop with your pump model number and we'll confirm.

