| Item | Part No. | Part Name | Qty | Serial No. |
| (723-58-17700) | MAIN VALVE (8-SPOOL/1 ATTACHMENT) | | H55051- |
| | (THIS ASSEMBLY CONSISTS OF ALL PARTS SHOWN IN FIGS. Y1664-11A0 TO Y1664-19A0) | | |
| 723-51-04600 | VALVE ASSEMBLY | | H55051- |
| 1 | \6\ | BLOCK, VALVE | | H55051- |
| 2 | 144-14-54610 | O-RING | | H55051- |
| 3 | 723-56-31720 | O-RING | | H55051- |
| 4 | 723-56-31730 | O-RING | | H55051- |
| 5 | 702-75-11520 | O-RING | | H55051- |
| 6 | 07000-11008 | O-RING | | H55051- |
| 7 | \6\ | SPOOL | | H55051- |
| 8 | \6\ | PLUG | | H55051- |
| 9 | 07002-11223 | O-RING | | H55051- |
| 10 | 723-56-31211 | RETAINER | | H55051- |
| 11 | 723-36-14110 | SPRING | | H55051- |
| 12 | 723-56-31510 | CASE | | H55051- |
| 13 | 702-21-55450 | O-RING | | H55051- |
| 14 | 01252-60630 | BOLT | | H55051- |
| 15 | \6\ | VALVE | | H55051- |
| 16 | 723-56-41710 | SPRING | | H55051- |
| 17 | 723-26-15230 | PLUG | | H55051- |
| 18 | 07002-12434 | O-RING | | H55051- |
| 19 | \6\ | VALVE | | H55051- |
| 20 | 723-56-41730 | SPRING | | H55051- |
| 21 | 723-56-41590 | PISTON | | H55051- |
| 22 | 723-56-31640 | PLUG | | H55051- |
| 23 | 07002-11623 | O-RING | | H55051- |
| 24 | 07000-11008 | O-RING | | H55051- |
| 25 | 723-40-91300 | VALVE ASSEMBLY, SUCTION AND SAFETY | | H55051- |
| 26 | 709-25-11390 | O-RING | | H55051- |
