| Item | Part No. | Part Name | Qty | Serial No. |
| (723-26-52100) | CONTROL VALVE | 6501- | ||
| (723-26-51101) | CONTROL VALVE | 4001-6500 | ||
| THESE ASSEMBLIES CONSIST OF ALL PARTS SHOWN IN FIGS.Y1660-01A0 TO Y1660-20A0. | ||||
| 1 | 723-20-64200 | VALVE ASS'Y,SUCTION AND RELIEF | 4001- | |
| 2 | 07002-12034 | O-RING | 4001- |