Replacement Pump Shaft Seal Seal Type 21 Shaft Size (In.) 1 1/4 in Nominal Working Length (In.) 1.062 in Seat Bore 1.875 in Seat Thickness 0.437 in Material Content Code BCFJF Seal Material - Standard Industry Seal Number 11204 185 786 Max Temp (F) 225 Degrees F Min Temp (F) -40 Degrees F Replacement For 5P394 5P396