Impeller, Compatible with Series Family NPE, Compatible with Manufacturer Model Number RMCS R3, Compatible with Grainger Part Number 415J06, 415J10, 4UB68, 4XW83, 52XG26, 6NZL9, Impeller Design Closed, Impeller Diameter 5 3/4 in, Impeller Material Stainless Steel, Compatible with Pump Type Straight Centrifugal Pumps, Compatible with Brand Goulds, Includes Impeller Locknut, Spring Retainer