| Item | Part No. | Part Name | Qty | Serial No. |
| (723-1A-1380B) | CONTROL VALVE | 31727- | ||
| (723-1A-1380A) | CONTROL VALVE | 31713-31726 | ||
| (723-1A-13809) | CONTROL VALVE | 31415-31712 | ||
| (723-1A-13804) | CONTROL VALVE | 30001-31414 | ||
| THESE ASSEMBLIES CONSIST OF ALL PARTS SHOWN IN FIGS.Y1664-21A0 TO Y1664-39A0. | ||||
| 1 | \6\ | SPOOL | 30001- | |
| 2 | \6\ | SPOOL | 30001- | |
| 3 | \6\ | SPOOL | 31713- | |
| 3 | \6\ | SPOOL | 30001-31712 | |
| 4 | \6\ | SPOOL | 31415- | |
| 4 | \6\ | SPOOL | 30001-31414 | |
| 5 | \6\ | SPOOL | 30001- | |
| 6 | \6\ | SPOOL | 31415- | |
| 6 | \6\ | SPOOL | 30001-31414 | |
| 7 | \6\ | SPOOL | 31415- | |
| 7 | \6\ | SPOOL | 30001-31414 | |
| 8 | \6\ | SPOOL | 30001- |