| Item | Part No. | Part Name | Qty | Serial No. |
| (723-24-10504) | VALVE ASS'Y | 1181- | ||
| (723-24-10502) | VALVE ASS'Y | 1166-1180 | ||
| (723-24-10501) | VALVE ASS'Y | 1001-1165 | ||
| THESE ASSEMBLIES CONSIST OF ALL PARTS SHOWN IN FIGS.Y1664-61A0 TO Y1664-67A0. | ||||
| (723-21-03803) | VALVE SUB ASS'Y | 1181- | ||
| (723-21-03802) | VALVE SUB ASS'Y | 1166-1180 | ||
| (723-21-03801) | VALVE SUB ASS'Y | 1001-1165 | ||
| 1 | 723-20-63700 | VALVE ASS'Y,RELIEF | 1001- | |
| 2 | 07002-12034 | O-RING | 1001- |