| Item | Part No. | Part Name | Qty | Serial No. |
| 723-66-21100 | CONTROL VALVE ASS'Y | 80001- | ||
| THIS ASSEMBLY CONSISTS OF ALL PARTS SHOWN IN FIGS.Y1666-01A0 T0 Y1666-10A0. | ||||
| 1 | \6\ | BODY | 80001- | |
| 2 | 07000-13048 | O-RING | 80001- | |
| 3 | 07000-11009 | O-RING | 80001- | |
| 4 | 07000-13030 | O-RING | 80001- | |
| 5 | 07000-12012 | O-RING | 80001- | |
| 6 | 723-63-32620 | BOLT | 80001- | |
| 7 | 01643-31445 | WASHER | 80001- | |
| 8 | \6\ | PLUG | 80001- | |
| 9 | 709-74-91860 | PLUG | 80001- | |
| 10 | 07002-12434 | O-RING | 80001- | |
| 11 | 702-21-55620 | PLUG | 80001- | |
| 12 | 07002-11423 | O-RING | 80001- | |
| 13 | \6\ | PLUG | 80001- | |
| 14 | 07040-13316 | PLUG | 80001- | |
| 15 | 07002-13334 | O-RING | 80001- | |
| 16 | \6\ | SPOOL | 80001- | |
| 17 | \6\ | PISTON | 80001- | |
| 18 | 723-63-31530 | PLUG | 80001- | |
| 19 | 07002-13034 | O-RING | 80001- | |
| 20 | 700-13-31161 | O-RING | 80001- | |
| 21 | 723-63-32710 | RING | 80001- | |
| 22 | 723-63-31540 | RETAINER | 80001- | |
| 23 | 723-63-31550 | PLUG | 80001- | |
| 24 | 07002-14234 | O-RING | 80001- | |
| 25 | 723-63-32560 | SPRING | 80001- |