Summary of Atomic Parts For PTO Pump.asm Item Number Part Number Revision Description Quantity 1 3 Pump Shaft 1 2 4-1/5 Thrust & Roller Bearing 44,85,22 1 3 5 Thrust Bearing 44,85,12 1 4 6 Bearing SKF NA 4907 1 5 10 Cir Clip 35 Shaft 1 6 11 Cir Clip 44 Shaft 1 7 2 Inlet Housing 1 8 P52-001 Housing 1 9 7 Inner Ring 28,32,30 1 20 9 O-Ring 94-2,5 1 21 8 Shaft Seal 35,52,7 2 10 17 Check Valve Housing 8 11 18 Dia9,5 Ball 8 12 19 Check Valve Ball Stopper 8 13 20 Check Valve Spring 8 14 21 Dia3 Sel lock Pin 8 15 16 Dia10 Washer 8 16 15 Piston Spring 8 17 12 Piston 8 18 13 Dia10,3 Ball 8 19 14 Piston Ball Retaining Clip 8