| Item | Part No. | Part Name | Qty | Serial No. |
| (723-48-27803) | CONTROL VALVE | 52512- | ||
| (723-48-27802) | CONTROL VALVE | 51885-52511 | ||
| (723-48-27801) | CONTROL VALVE | 50532-51884 | ||
| (723-48-27800) | CONTROL VALVE | 50001-50531 | ||
| THESE ASSEMBLIES CONSIST OF ALL PARTS SHOWN IN FIGS.Y1664-61A0 TO Y1664-83A0. | ||||
| 723-40-87500 | VALVE ASS'Y | 50001- | ||
| 1 | 723-40-87110 | BODY | 50001- | |
| 2 | 723-40-87440 | SPOOL | 50001- | |
| 3 | 723-40-87260 | SPRING | 50001- | |
| 4 | \6\ | SLEEVE | 50001- | |
| 5 | \6\ | SEAL | 50001- | |
| 6 | \6\ | CASE | 50001- | |
| 7 | 723-40-87250 | RETAINER | 50001- | |
| 8 | 723-40-87470 | O-RING | 50001- | |
| 9 | 07000-53035 | O-RING | 50001- | |
| 10 | 07000-51007 | O-RING | 50001- | |
| 11 | \6\ | PLUG | 50001- | |
| 12 | 01252-60830 | BOLT | 50001- | |
| 13 | 01252-61075 | BOLT | 50001- | |
| 14 | 07000-53038 | O-RING | 50001- | |
| 15 | 07000-51010 | O-RING | 50001- |