| Item | Part No. | Part Name | Qty | Serial No. |
| (723-47-20403) | VALVE ASS'Y | 40390- | ||
| (723-47-20402) | VALVE ASS'Y | 40156-40389 | ||
| (723-47-20401) | VALVE ASS'Y | 40001-40155 | ||
| THESE ASSEMBLIES CONSIST OF ALL PARTS SHOWN IN FIGS.Y1662-01A0 TO Y1662-19A0. | ||||
| 1 | 723-40-91101 | VALVE ASS'Y,RELIEF | 40001- | |
| 2 | 700-22-11410 | O-RING | 40001- | |
| 3 | 700-80-64220 | RING | 40001- | |
| 4 | 07002-12434 | O-RING | 40001- |