Mechanical Shaft Seal, For Shaft Diameter 7/8 in, Compatible with Pump Type Turbine Pump, Compatible with Series Dayton, Gasket Material Buna-N, Carbon, Ceramic, Includes Pump O-Rings, Seal, Seat, Replaces Grainger Seal 4UP52, 4UP53, 4UP55, 4UP56, 4UP57, 4UP58, Ring Material Carbon, Seal Type Designation 23, Shaft Seal Type Mechanical, Standards DIN 24960, EN 12756, ISO 3069, Working Length 0.94 in. This item has been restricted from sale in the following state (s): []