Bell & Gossett 1/2" x 5/8" spring coupler for new style 60 Series centrifugal pumps. A broken coupler indicates that the motor mounts have lost their resiliency and the motor shaft and pump shaft are now out of alignment. It is recommended to replace the motor mounts when the pump coupling breaks.Used On:CPLR10 Coupler SelectionsCPLR11 Coupler SelectionsCPLR11 Coupler SelectionsCPLR12 Coupler SelectionsCPLR12 Coupler SelectionsCPLR12 Coupler Selections172758 MF Series 60 623S Inline Pump 1HP 1750 115/208-230/1/60172761 MF Series 60 624S Inline Pump 1HP 1750 115/208-230/1/60CUPLR1 Coupler Choices172763 MF Series 60 624T Inline Pump 1HP 1750 208-230/460/3/60172760 MF Series 60 623T Inline Pump 1HP 1750 208-230/460/3/60CPLR60MF MF Series 60 Coupler Selection