| Item | Part No. | Part Name | Qty | Serial No. |
| (723-57-17800) | MAIN VALVE (7-SPOOL/1 ATTACHMENT) | | H55051- |
| | (THIS ASSEMBLY CONSISTS OF ALL PARTS SHOWN IN FIGS. Y1662-01A0 TO Y1662-09A0) | | |
| 1 | 723-30-91200 | VALVE ASSEMBLY, RELIEF | | H55051- |
| 2 | 700-13-31161 | O-RING | | H55051- |
| 3 | 700-80-51190 | RING | | H55051- |
| 4 | 07002-13334 | O-RING | | H55051- |
| 5 | 709-90-74200 | VALVE ASSEMBLY, SUCTION AND SAFETY | | H55051- |
| 6 | 07002-13634 | O-RING | | H55051- |
| 7 | 723-50-60200 | VALVE ASSEMBLY | | H55051- |
| 8 | 709-25-11390 | O-RING | | H55051- |
| 9 | 07000-12012 | O-RING | | H55051- |
| 10 | 07001-02012 | RING | | H55051- |
| 11 | 723-50-55100 | VALVE ASSEMBLY | | H55051- |
| 12 | 07002-12434 | O-RING | | H55051- |
| 13 | 07000-12016 | O-RING | | H55051- |
| 14 | 07001-02016 | RING | | H55051- |
| 15 | 07000-12014 | O-RING | | H55051- |
| 16 | 07001-02014 | RING | | H55051- |
