| Item | Part No. | Part Name | Qty | Serial No. |
| (723-23-10604) | VALVE ASS'Y | 2001- | ||
| THIS ASSEMBLY CONSISTS OF ALL PARTS SHOWN IN FIGS.Y1663-01A0 T0 Y1663-07A0. | ||||
| (723-21-03803) | VALVE SUB ASS'Y | 2001- | ||
| 1 | 723-20-63700 | VALVE ASS'Y,RELIEF | 2001- | |
| 2 | 07002-12034 | O-RING | 2001- |