| Item | Part No. | Part Name | Qty | Serial No. |
| VALVE ASSEMBLY - TWO-SPOOL(SEE FIG. Y1660-01A0) | A51001-UP- | |||
| 709-91-00080 | VALVE, SUB-ASSEMBLY | A51001-UP- | ||
| 1 | (NSS) | COVER, VALVE | A51001-UP- | |
| 2 | (NSS) | PLUG | A51001-UP- | |
| 3 | (NSS) | VAVLE | A51001-UP- | |
| 4 | (NSS) | SPRING | A51001-UP- | |
| 5 | (NSS) | PISTON | A51001-UP- | |
| 6 | (NSS) | FLANGE | A51001-UP- | |
| 7 | 07000-13032 | O-RING | A51001-UP- | |
| 8 | 01010-81035 | BOLT | A51001-UP- | |
| 9 | (NSS) | SCREEN | A51001-UP- | |
| 10 | 07002-11423 | O-RING | A51001-UP- | |
| 11 | 07000-11007 | O-RING | A51001-UP- | |
| 12 | (NSS) | VALVE | A51001-UP- | |
| 13 | (NSS) | SPRING | A51001-UP- | |
| 14 | 01252-30516 | BOLT | A51001-UP- | |
| 15 | 01643-31032 | WASHER | A51001-UP- | |
| 16 | (NSS) | PLUG | A51001-UP- | |
| 17 | 07002-13034 | O-RING | A51001-UP- | |
| 18 | (NSS) | FLANGE | A51001-UP- | |
| 19 | 07000-11009 | O-RING | A51001-UP- | |
| 20 | (NSS) | PLUG | A51001-UP- | |
| 21 | 01010-81030 | BOLT | A51001-UP- | |
| 22 | (NSS) | BAR | A51001-UP- | |
| 23 | (NSS) | SEAT | A51001-UP- | |
| 24 | 07000-12018 | O-RING | A51001-UP- | |
| 25 | 708-25-15370 | WASHER | A51001-UP- |
