| Item | Part No. | Part Name | Qty | Serial No. |
| (723-18-14402) | CONTROL VALVE | 10621- | ||
| (723-18-14401) | CONTROL VALVE | 10001-10620 | ||
| THESE ASSEMBLIES CONSIST OF ALL PARTS SHOWN IN FIGS.Y1660-01A0 TO Y1660-10A0. | ||||
| 1 | \6\ | SPOOL | 10001- | |
| 2 | \6\ | SPOOL | 10001- | |
| 3 | \6\ | SPOOL | 10001- | |
| 4 | \6\ | SPOOL | 10001- | |
| 5 | \6\ | SPOOL | 10001- | |
| 6 | \6\ | SPOOL | 10001- | |
| 7 | \6\ | SPOOL | 10001- | |
| 8 | \6\ | SPOOL | 10001- |