| Item | Part No. | Part Name | Qty | Serial No. |
| (723-26-52100) | CONTROL VALVE | 6501- | ||
| (723-26-51101) | CONTROL VALVE | 4001-6500 | ||
| THESE ASSEMBLIES CONSIST OF ALL PARTS SHOWN IN FIGS.Y1660-01A0 TO Y1660-20A0. | ||||
| 723-11-01231 | VALVE ASS'Y | 4001- | ||
| 1 | \6\ | BLOCK | 4001- | |
| 2 | \6\ | SPOOL | 4001- | |
| 3 | 723-11-27830 | SPRING | 4001- | |
| 4 | \6\ | VALVE | 4001- | |
| 5 | 723-11-18180 | SPRING | 4001- | |
| 6 | 723-11-27840 | SPACER | 4001- | |
| 7 | 723-11-27850 | PLUG | 4001- | |
| 8 | 07002-11023 | O-RING | 4001- | |
| 9 | \6\ | ORIFICE | 4001- | |
| 10 | \6\ | PLUG | 4001- | |
| 11 | 07000-11005 | O-RING | 4001- | |
| 12 | 07000-11007 | O-RING | 4001- |