| Item | Part No. | Part Name | Qty | Serial No. |
| (723-57-12306) | CONTROL VALVE | 72694- | ||
| (723-57-12305) | CONTROL VALVE | 65441-72693 | ||
| (723-57-12304) | CONTROL VALVE | 64647-65440 | ||
| (723-57-12303) | CONTROL VALVE | 64132-64646 | ||
| (723-57-12302) | CONTROL VALVE | 63415-64131 | ||
| (723-57-12301) | CONTROL VALVE | 62811-63414 | ||
| (723-57-12300) | CONTROL VALVE | 60968-62810 | ||
| (723-57-11303) | CONTROL VALVE | 59563-60967 | ||
| (723-57-11302) | CONTROL VALVE | 59163-59562 | ||
| (723-57-11301) | CONTROL VALVE | 57353-59162 | ||
| (723-57-11300) | CONTROL VALVE | 57000-57352 | ||
| THESE ASSEMBLIES CONSIST OF ALL PARTS SHOWN IN FIGS.Y1663-21A0 TO Y1663-33A0. | ||||
| 1 | 723-30-90101 | VALVE ASS'Y,RELIEF | 57000- | |
| 2 | 700-13-31161 | O-RING | 57000- | |
| 3 | 700-80-51190 | RING | 57000- | |
| 4 | 07002-03334 | O-RING | 57000- |