| Item | Part No. | Part Name | Qty | Serial No. |
| (723-28-50201) | CONTROL VALVE | 4001- | ||
| THIS ASSEMBLY CONSISTS OF ALL PARTS SHOWN IN FIGS.Y1664-61A0 T0 Y1664-85A0 . | ||||
| \6\ | BODY GROUP | 4001- | ||
| 1 | \6\ | VALVE | 4001- | |
| 2 | \6\ | VALVE | 4001- | |
| 3 | \6\ | VALVE SUB ASS'Y | 4001- | |
| 4 | 723-11-16230 | SPRING | 4001- | |
| 5 | 723-11-15110 | PLUG | 4001- | |
| 6 | 07002-11623 | O-RING | 4001- | |
| 7 | 723-11-18190 | PLUG | 4001- | |
| 8 | 07002-11023 | O-RING | 4001- | |
| 9 | \6\ | VALVE | 4001- | |
| 10 | 723-11-18180 | SPRING | 4001- | |
| 11 | 723-26-15230 | PLUG | 4001- | |
| 12 | 07002-12434 | O-RING | 4001- | |
| 13 | 723-11-14190 | PLUG | 4001- | |
| 14 | 07002-11823 | O-RING | 4001- | |
| 15 | \6\ | VALVE | 4001- | |
| 16 | 722-10-91130 | SPRING | 4001- | |
| 17 | 723-26-16470 | PLUG | 4001- | |
| 18 | 07000-11005 | O-RING | 4001- | |
| 19 | 07001-01005 | RING,BACK-UP | 4001- | |
| 20 | \6\ | VALVE | 4001- | |
| 21 | 723-26-16530 | SPRING | 4001- | |
| 22 | 723-26-16490 | SPACER | 4001- | |
| 23 | 723-26-14310 | SPRING | 4001- |
