| Item | Part No. | Part Name | Qty | Serial No. |
| (723-18-13504) | CONTROL VALVE | 1459-3000 | ||
| (723-18-13503) | CONTROL VALVE | 1226-1458 | ||
| (723-18-13502) | CONTROL VALVE | 1138-1225 | ||
| (723-18-13501) | CONTROL VALVE | 1001-1137 | ||
| THESE ASSEMBLIES CONSIST OF ALL PARTS SHOWN IN FIGS.Y1660-01A0 TO Y1660-17A0. | ||||
| \6\ | VALVE SUB ASS'Y | 1001-3000 | ||
| 1 | \6\ | BLOCK | 1001-3000 | |
| \6\ | VALVE SUB ASS'Y | 1001-3000 | ||
| 2 | \6\ | VALVE | 1001-3000 | |
| 3 | \6\ | SPOOL | 1001-3000 | |
| 4 | \6\ | PLUG | 1001-3000 | |
| 5 | 723-11-16530 | SPRING | 1001-3000 | |
| 6 | \6\ | VALVE | 1001-3000 | |
| 7 | 723-11-13610 | SPRING | 1001-3000 | |
| 8 | 723-11-18190 | PLUG | 1001-3000 | |
| 9 | \6\ | O-RING | 1001-3000 | |
| 10 | 07002-11023 | O-RING | 1001-3000 | |
| 11 | \6\ | PLUG | 1001-3000 | |
| 12 | \6\ | SCREW | 1001-@ | |
| 13 | \6\ | PISTON | 1001-3000 | |
| 14 | 07000-11007 | O-RING | 1001-3000 | |
| 15 | 07000-12012 | O-RING | 1001-@ | |
| 16 | 07001-02012 | RING,BACK-UP | 1001-@ | |
| 17 | 01252-60640 | BOLT | 1001-3000 | |
| 18 | 07000-11005 | O-RING | 1001-3000 | |
| 19 | 723-11-13620 | PLUG | 1001-3000 | |
| 20 | \6\ | PLUG | 1001-3000 | |
| \6\ | VALVE SUB ASS'Y | 1001-3000 | ||
| 21 | \6\ | SPRING | 1001-3000 | |
| 22 | 723-11-13510 | PLUG | 1001-3000 | |
| 23 | \6\ | SPOOL | 1001-3000 | |
| 24 | \6\ | BLOCK | 1001-3000 | |
| 25 | 723-11-13540 | PLUG | 1001-3000 | |
| 26 | 07002-10823 | O-RING | 1001-3000 | |
| 27 | 07000-11004 | O-RING | 1001-@ | |
| 28 | 07001-01004 | RING | 1001-3000 | |
| 29 | \6\ | O-RING | 1001-3000 | |
| 30 | \6\ | SCREW | 1001-3000 | |
| 31 | 07000-12100 | O-RING | 1001-3000 | |
| 32 | 723-11-19130 | O-RING | 1001-@ |