| 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. | ||||
| 723-40-66900 | VALVE ASS'Y | 50473- | ||
| 1 | \6\ | CASE | 50473- | |
| 2 | \6\ | SEAT | 50473- | |
| 3 | \6\ | SEAT | 50473- | |
| 4 | 708-8H-11530 | PLUG | 50473- | |
| 5 | 07002-51423 | O-RING | 50473- | |
| 6 | \6\ | SEAT | 50473- | |
| 7 | \6\ | BALL | 50473- | |
| 8 | \6\ | PLUG | 50473- | |
| 723-40-66601 | VALVE ASS'Y | 50473- | ||
| 9 | \6\ | CASE | 50473- | |
| 10 | \6\ | SEAT | 50473- | |
| 11 | \6\ | SEAT | 50473- | |
| 12 | \6\ | BALL | 50473- | |
| 13 | \6\ | PLUG | 50473- | |
| 14 | 01252-61050 | BOLT | 50473- | |
| 15 | 01643-51032 | WASHER | 50473- | |
| 16 | 723-40-60200 | VALVE ASS'Y | 50473- | |
| 17 | 07000-52020 | O-RING | 50473- | |
| 18 | 07001-02020 | RING,BACK-UP | 50473- | |
| 19 | 709-20-61730 | O-RING | 50473- |