| Item | Part No. | Part Name | Qty | Serial No. |
| (709-91-12500) | VALVE ASS'Y | 1001- | ||
| THIS ASSEMBLY CONSISTS OF ALL PARTS SHOWN IN FIGS.Y1660-01A0 AND Y1660-02A0. | ||||
| 1 | 709-90-54200 | VALVE ASS'Y,RELIEF | 1001- | |
| 2 | 702-13-51290 | O-RING | 1001- | |
| 3 | 700-93-11330 | RING,BACK-UP | 1001- | |
| 4 | 07002-23634 | O-RING | 1001- |