| Item | Part No. | Part Name | Qty | Serial No. |
| 723-28-11100 | CONTROL VALVE ASS'Y | 48712-52373 | ||
| 723-28-10104 | CONTROL VALVE ASS'Y | 46397-48711 | ||
| 723-28-10102 | CONTROL VALVE ASS'Y | 45938-46396 | ||
| 723-28-10101 | CONTROL VALVE ASS'Y | 45001-45937 | ||
| THESE ASSEMBLIES CONSIST OF ALL PARTS SHOWN IN FIGS.Y1664-01A0 TO Y1664-08A0. | ||||
| \6\ | CONTROL VALVE | 48712-52373 | ||
| \6\ | CONTROL VALVE | 46397-48711 | ||
| \6\ | CONTROL VALVE | 45001-46396 | ||
| 1 | \6\ | BODY | 45001-52373 | |
| 2 | \6\ | BLOCK | 45001-52373 | |
| 3 | \6\ | BLOCK | 45001-52373 | |
| 4 | \6\ | BLOCK | 45001-52373 | |
| 5 | \6\ | BLOCK | 48712-52373 | |
| \6\ | BLOCK | 45001-48711 | ||
| 6 | \6\ | BLOCK | 45001-52373 | |
| 7 | \6\ | COVER | 45001-52373 | |
| 8 | \6\ | SPOOL | 46397-52373 | |
| \6\ | SPOOL | 45001-46396 | ||
| 9 | \6\ | SPOOL | 45001-52373 | |
| 10 | \6\ | SPOOL | 48712-52373 | |
| \6\ | SPOOL | 45001-48711 | ||
| 11 | \6\ | SPOOL | 48712-52373 | |
| \6\ | SPOOL | 45001-48711 | ||
| 12 | \6\ | SPOOL | 45001-52373 | |
| 13 | \6\ | PLUG | 48712-52373 | |
| \6\ | PLUG | 45001-48711 | ||
| 14 | \6\ | VALVE | 48712-52373 | |
| \6\ | VALVE | 45001-48711 | ||
| 15 | \6\ | PLUG | 48712-52373 | |
| \6\ | PLUG | 45001-48711 | ||
| 16 | \6\ | VALVE | 45001-52373 | |
| 17 | \6\ | SPRING | 48712-52373 | |
| \6\ | SPRING | 45001-48711 | ||
| 18 | \6\ | O-RING | 45001-52373 | |
| 19 | 723-26-15110 | CASE | 45001-52373 | |
| 20 | 709-26-11450 | SPRING | 45001-52373 | |
| 21 | 723-26-14210 | SPRING | 45001-52373 | |
| 22 | 723-26-14122 | SPRING | 46397-52373 | |
| 723-26-14121 | SPRING | 45001-46396 | ||
| 23 | 723-26-15120 | RETAINER | 48712-52373 | |
| 24 | 575-41-17420 | O-RING | 48712-52373 | |
| 25 | 01252-30630 | BOLT | 48712-52373 | |
| 26 | 01641-20608 | WASHER | 48712-52373 |