| Item | Part No. | Part Name | Qty | Serial No. |
| (723-23-10604) | VALVE ASS'Y | 1241- | ||
| (723-23-10602) | VALVE ASS'Y | 1201-1240 | ||
| (723-23-10601) | VALVE ASS'Y | 1001-1200 | ||
| THESE ASSEMBLIES CONSIST OF ALL PARTS SHOWN IN FIGS.Y1663-11A0 TO Y1663-17A0. | ||||
| (723-21-03803) | VALVE SUB ASS'Y | 1241- | ||
| (723-21-03802) | VALVE SUB ASS'Y | 1201-1240 | ||
| (723-21-03801) | VALVE SUB ASS'Y | 1001-1200 | ||
| 1 | 723-20-63700 | VALVE ASS'Y,RELIEF | 1001- | |
| 2 | 07002-12034 | O-RING | 1001- |