| Item | Part No. | Part Name | Qty | Serial No. |
| (723-14-11803) | CONTROL VALVE | 51501- | ||
| THIS ASSEMBLY CONSISTS OF ALL PARTS SHOWN IN FIGS.Y1664-11A0 T0 Y1664-15A0. | ||||
| 1 | \6\ | SPOOL | 51501- | |
| 2 | 723-11-18150 | O-RING | 51501- | |
| 723-10-17802 | VALVE ASS'Y,RELIEF | 51501- | ||
| 3 | \6\ | SLEEVE | 51501- | |
| 4 | 700-20-63150 | NUT | 51501- | |
| 5 | 700-20-63141 | SCREW | 51501- | |
| 6 | 07000-12015 | O-RING | 51501- | |
| 7 | \6\ | SPRING | 51501- | |
| 8 | 07002-12434 | O-RING | 51501- | |
| 9 | \6\ | POPPET | 51501- | |
| 10 | 723-11-18160 | RING | 51501- | |
| 11 | 723-11-18150 | O-RING | 51501- | |
| 12 | 723-60-21130 | FILTER | 51501- | |
| 13 | 723-60-21140 | PLUG | 51501- |