| Item | Part No. | Part Name | Qty | Serial No. |
| (723-49-28903) | CONTROL VALVE | 52512- | ||
| (723-49-28902) | CONTROL VALVE | 51885-52511 | ||
| (723-49-28901) | CONTROL VALVE | 50532-51884 | ||
| (723-49-28900) | CONTROL VALVE | 50473-50531 | ||
| THESE ASSEMBLIES CONSIST OF ALL PARTS SHOWN IN FIGS.Y1666-61A0 TO Y1666-85A0. | ||||
| 723-40-71600 | VALVE ASS'Y | 50473- | ||
| 1 | \6\ | BODY,VALVE | 50473- | |
| 2 | \6\ | SPOOL | 50473- | |
| 3 | \6\ | PLUG | 50473- | |
| 4 | 723-40-71330 | RETAINER | 50473- | |
| 5 | 723-40-71340 | SPRING | 50473- | |
| 6 | 01252-60816 | BOLT | 50473- | |
| 7 | 723-46-15111 | CASE | 50473- | |
| 8 | 723-40-71350 | RETAINER | 50473- | |
| 9 | 700-93-11660 | O-RING | 50473- | |
| 10 | 01252-60820 | BOLT | 50473- | |
| 11 | \6\ | SPOOL | 50473- | |
| 12 | 723-40-71440 | SPRING | 50473- | |
| 13 | \6\ | PLUG | 50473- | |
| 14 | 709-74-91860 | PLUG | 50473- | |
| 15 | 07002-52434 | O-RING | 50473- | |
| 16 | \6\ | SPOOL | 50473- | |
| 17 | 723-40-71390 | SPRING | 50473- | |
| 18 | 723-40-61150 | PLUG | 50473- | |
| 19 | 07002-52434 | O-RING | 50473- |