| Item | Part No. | Part Name | Qty | Serial No. |
| (723-1A-12303) | CONTROL VALVE | 1669- | ||
| (723-1A-12302) | CONTROL VALVE | 1284-1668 | ||
| (723-1A-12301) | CONTROL VALVE | 1001-1283 | ||
| THESE ASSEMBLIES CONSIST OF ALL PARTS SHOWN IN FIGS.Y1664-01A0 TO Y1664-21A0. | ||||
| 723-11-00050 | CASE SUB ASS'Y | 1001- | ||
| 1 | 723-11-17380 | CASE,SPRING | 1001- | |
| 2 | 700-84-11730 | BALL | 1001- | |
| 3 | 723-11-27280 | PLUG | 1001- | |
| 4 | 07002-10823 | O-RING | 1001- | |
| 5 | 07000-11004 | O-RING | 1001- |