| Item | Part No. | Part Name | Qty | Serial No. |
| 451-628 | CONTROL VALVE | 6001- | ||
| THIS ASSEMBLY CONSISTS OF ALL PARTS SHOWN IN FIGS.Y1660-01A0 T0 Y1660-17A0. | ||||
| 458-334 | VALVE ASS'Y,RELIEF | 6001- | ||
| 1 | SLEEVE | 6001- | ||
| 2 | 450-963 | RING | 6001- | |
| 3 | 453-583 | O-RING | 6001- | |
| 4 | SEAL | 6001- | ||
| 5 | POPPET | 6001- | ||
| 6 | PISTON | 6001- | ||
| 7 | SEAT | 6001- | ||
| 8 | SPRING | 6001- | ||
| 9 | SEAL | 6001- | ||
| 10 | 453-687 | O-RING | 6001- | |
| 11 | POPPET | 6001- | ||
| 12 | O-RING | 6001- | ||
| 13 | PLUG | 6001- | ||
| 14 | NUT | 6001- | ||
| 15 | SPRING | 6001- | ||
| 16 | O-RING | 6001- | ||
| 17 | SPACER | 6001- | ||
| 18 | NUT | 6001- |