| Item | Part No. | Part Name | Qty | Serial No. |
| (723-48-18201) | CONTROL VALVE | 12455- | ||
| (723-48-18200) | CONTROL VALVE | 12001-12454 | ||
| (723-48-16202) | CONTROL VALVE | 10001-11999 | ||
| THESE ASSEMBLIES CONSIST OF ALL PARTS SHOWN IN FIGS.Y1664-61A0 TO Y1664-75A0. | ||||
| 723-40-50301 | VALVE ASS'Y,RELIEF | 10001- | ||
| 1 | \6\ | SLEEVE | 10001- | |
| 2 | \6\ | SEAT | 10001- | |
| 3 | \6\ | VALVE | 10001- | |
| 4 | \6\ | POPPET | 10001- | |
| 5 | \6\ | SPRING | 10001- | |
| 6 | \6\ | HOLDER | 10001- | |
| 7 | \6\ | SCREW | 10001- | |
| 8 | \6\ | SPRING | 10001- | |
| 9 | \6\ | PLUG | 10001- | |
| 10 | \6\ | NUT | 10001- | |
| 11 | \6\ | NUT | 10001- | |
| 12 | 700-22-11410 | O-RING | 10001- | |
| 13 | 700-80-64220 | RING | 10001- | |
| 14 | 07002-02434 | O-RING | 10001- | |
| 15 | \6\ | O-RING | 10001- | |
| 16 | \6\ | O-RING | 10001- | |
| 17 | \6\ | RING | 10001- | |
| 18 | \6\ | O-RING | 10001- |