| Item | Part No. | Part Name | Qty | Serial No. |
| 723-18-15900 | CONTROL VALVE | 5001- | ||
| THIS ASSEMBLY CONSISTS OF ALL PARTS SHOWN IN FIGS.Y1660-01A0 T0 Y1660-20A0. | ||||
| 1 | \6\ | BLOCK | 5001- | |
| 2 | \6\ | BLOCK,VALVE | 5001- | |
| 3 | \6\ | BLOCK,VALVE | 5001- | |
| 4 | \6\ | BLOCK,VALVE | 5001- | |
| 5 | \6\ | BLOCK,VALVE | 5001- | |
| 6 | \6\ | BLOCK,VALVE | 5001- | |
| 7 | \6\ | BLOCK,VALVE | 5001- | |
| 8 | \6\ | BLOCK,VALVE | 5001- | |
| 9 | \6\ | BLOCK,VALVE | 5001- | |
| 10 | 723-11-11870 | COVER,VALVE | 5001- |