| Item | Part No. | Part Name | Qty | Serial No. |
| (723-58-19500) | CONTROL VALVE | 1601- | ||
| THESE ASSEMBLIES CONSIST OF ALL PARTS SHOWN IN FIGS.Y1664-21A0 TO Y1664-33A0. | ||||
| \6\ | BODY GROUP | 1601- | ||
| 1 | \6\ | VALVE | 1601- | |
| 2 | \6\ | VALVE | 1601- | |
| 3 | \6\ | VALVE | 1601- | |
| 4 | 723-56-41721 | SPRING | 1601- | |
| 5 | 01643-30623 | WASHER | 1601- | |
| 6 | 01252-60610 | BOLT | 1601- | |
| 7 | 723-56-41821 | PLUG | 1601- | |
| 8 | 723-56-41830 | PLUG | 1601- | |
| 9 | 07002-12034 | O-RING | 1601- | |
| 10 | 723-56-41710 | SPRING | 1601- | |
| 11 | 723-56-41840 | PLUG | 1601- | |
| 12 | 07000-13024 | O-RING | 1601- | |
| 13 | 723-26-15230 | PLUG | 1601- | |
| 14 | 07002-12434 | O-RING | 1601- | |
| 15 | \6\ | VALVE | 1601- | |
| 16 | \6\ | VALVE SUB ASS'Y | 1601- | |
| 17 | \6\ | PISTON | 1601- | |
| 18 | 723-56-41730 | SPRING | 1601- | |
| 19 | 723-56-41740 | SPRING | 1601- | |
| 20 | 723-56-41850 | PLUG | 1601- | |
| 21 | 07002-12434 | O-RING | 1601- | |
| 22 | 723-56-41840 | PLUG | 1601- | |
| 23 | 07000-13024 | O-RING | 1601- |