| Item | Part No. | Part Name | Qty | Serial No. |
| 723-48-23704 | VALVE ASSEMBLY | K53404- | ||
| 723-48-23702 | VALVE ASSEMBLY | K52508-K53403 | ||
| (723-48-23700) | VALVE ASSEMBLY | K50001-K52507 | ||
| THIS ASSEMBLY CONSISTS OF ALL PARTS SHOWN IN FIGS.Y1664-31A0 T0 Y1664-51A0. | ||||
| 1 | 723-40-57200 | VALVE ASSEMBLY, UNLOAD | K50001- | |
| 2 | 07000-12014 | O-RING | K50001- | |
| 3 | 723-40-56350 | RING | K50001- | |
| 4 | 07000-12016 | O-RING | K50001- | |
| 5 | 723-60-22230 | RING, BACK-UP | K50001- | |
| 6 | 07002-12434 | O-RING | K50001- |