| Item | Part No. | Part Name | Qty | Serial No. |
| (723-57-16401) | CONTROL VALVE | 20136- | ||
| (723-57-16400) | CONTROL VALVE | 20001-20135 | ||
| THESE ASSEMBLIES CONSIST OF ALL PARTS SHOWN IN FIGS.Y1662-31A0 TO Y1662-59A0. | ||||
| 723-50-54200 | VALVE ASS'Y | 20001- | ||
| 1 | \6\ | BLOCK | 20001- | |
| 2 | \6\ | VALVE | 20001- | |
| 3 | 723-56-31620 | SPRING | 20001- | |
| 4 | 723-56-31630 | PLUG | 20001- | |
| 5 | 07002-11623 | O-RING | 20001- | |
| 6 | 723-11-18190 | PLUG | 20001- | |
| 7 | 07002-11023 | O-RING | 20001- | |
| 8 | 07000-11009 | O-RING | 20001- | |
| 9 | 708-2L-25490 | O-RING | 20001- |