| Item | Part No. | Part Name | Qty | Serial No. |
| (723-46-23302) | VALVE ASS'Y | 20001- | ||
| THIS ASSEMBLY CONSISTS OF ALL PARTS SHOWN IN FIGS.Y1666-01A0 T0 Y1666-18A0. | ||||
| 723-40-84601 | VALVE ASS'Y | 20001- | ||
| 1 | 723-40-84410 | BLOCK | 20001- | |
| 2 | 723-40-84420 | VALVE,CHECK | 20001- | |
| 3 | 723-40-84430 | SPRING | 20001- | |
| 4 | \6\ | PLUG | 20001- | |
| 5 | 07000-13024 | O-RING | 20001- | |
| 6 | 01252-61070 | BOLT | 20001- |