| Item | Part No. | Part Name | Qty | Serial No. |
| (723-28-11401) | CONTROL VALVE | 1019- | ||
| (723-28-11400) | CONTROL VALVE | 1001-1018 | ||
| THESE ASSEMBLIES CONSIST OF ALL PARTS SHOWN IN FIGS.Y1664-01A0 TO Y1664-07A0. | ||||
| 723-27-01800 | BLOCK SUB ASS'Y | 1001- | ||
| 1 | 723-26-11210 | BLOCK | 1001- | |
| 2 | 723-26-15390 | PLUG | 1001- | |
| 3 | 07002-13334 | O-RING | 1001- | |
| 723-20-85100 | PLUG ASS'Y | 1001- | ||
| 4 | 723-20-15250 | PLUG | 1001- | |
| 5 | 01312-20408 | SCREW | 1001- | |
| 6 | 07002-11023 | O-RING | 1001- | |
| 7 | 07000-11004 | O-RING | 1001- | |
| 8 | 07001-01004 | RING | 1001- | |
| 9 | 07000-12020 | O-RING | 1001- | |
| 10 | 07000-02120 | O-RING | 1001- | |
| 11 | 07000-12010 | O-RING | 1001- | |
| 12 | 723-26-15260 | PLUG | 1001- | |
| 13 | 709-25-11390 | O-RING | 1001- | |
| 14 | 07000-12012 | O-RING | 1001- | |
| 15 | 07001-02012 | RING,BACK-UP | 1001- | |
| 16 | 07043-70108 | PLUG | 1001- | |
| 17 | 07040-12412 | PLUG | 1001- | |
| 18 | 07002-12434 | O-RING | 1001- | |
| 19 | 723-46-15240 | PLUG | 1001- | |
| 20 | 07002-12434 | O-RING | 1001- | |
| 21 | 700-80-64220 | RING | 1001- | |
| 22 | 700-22-11410 | O-RING | 1001- |