| Item | Part No. | Part Name | Qty | Serial No. |
| (723-48-19501) | CONTROL VALVE | 12223- | ||
| (723-48-19500) | CONTROL VALVE | 12215-12222 | ||
| (723-48-19202) | CONTROL VALVE | 12197-12214 | ||
| (723-48-19201) | CONTROL VALVE | 12104-12196 | ||
| (723-48-19200) | CONTROL VALVE | 12001-12103 | ||
| (723-48-17201) | VALVE ASS'Y | 10110-11999 | ||
| (723-48-17200) | VALVE ASS'Y | 10001-10109 | ||
| THESE ASSEMBLIES CONSIST OF ALL PARTS SHOWN IN FIGS.Y1664-21A0 TO Y1664-35A0. | ||||
| 723-40-56600 | VALVE ASS'Y,UNLOAD | 12223- | ||
| 723-40-56201 | VALVE ASS'Y,UNLOAD | 10001-12222 | ||
| 1 | \6\ | SLEEVE | 10001- | |
| 2 | \6\ | VALVE | 12223- | |
| \6\ | VALVE | 10001-12222 | ||
| 3 | \6\ | SPRING | 10001- | |
| 4 | \6\ | PLUG | 10001- | |
| 5 | 07000-12014 | O-RING | 10001- | |
| 6 | 07001-02014 | RING | 10001- | |
| 7 | 07000-12016 | O-RING | 10001- | |
| 8 | 07001-02016 | RING,BACK-UP | 10001- | |
| 9 | \6\ | O-RING | 10001- | |
| 10 | 07002-12434 | O-RING | 10001- |