| 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. | ||||
| 723-50-53102 | VALVE ASS'Y | 57353- | ||
| 723-50-53101 | VALVE ASS'Y | 57000-57352 | ||
| 1 | \6\ | BLOCK | 57000- | |
| 2 | \6\ | VALVE | 57353- | |
| 2 | \6\ | VALVE | 57000-57352 | |
| 3 | 702-21-35130 | SEAL | 57000- | |
| 4 | 723-50-53130 | SPRING | 57000- | |
| 5 | 723-50-53230 | SPACER | 57000-57352 | |
| 6 | \6\ | PISTON | 57353- | |
| 6 | \6\ | PISTON | 57000-57352 | |
| 7 | \6\ | SEAL | 57353- | |
| 7 | \6\ | SEAL | 57000-57352 | |
| 8 | \6\ | SLEEVE | 57353- | |
| 8 | \6\ | SLEEVE | 57000-57352 | |
| 9 | 07000-12010 | O-RING | 57000- | |
| 10 | 07001-02010 | RING | 57000- | |
| 11 | 07000-12012 | O-RING | 57000- | |
| 12 | 07001-02012 | RING,BACK-UP | 57000- | |
| 13 | 723-50-53170 | SEAT | 57000- | |
| 14 | 07000-12016 | O-RING | 57000- | |
| 15 | \6\ | PISTON | 57000- | |
| 16 | 723-50-53190 | SPRING | 57000- | |
| 17 | 723-50-53270 | PLATE | 57353- | |
| 17 | 723-50-53210 | PLATE | 57000-57352 | |
| 18 | 723-50-53260 | RETAINER | 57353- | |
| 18 | 723-50-53222 | RETAINER | 57000-57352 | |
| 19 | 07000-12015 | O-RING | 57000- | |
| 20 | 07000-13030 | O-RING | 57000- | |
| 21 | 01252-60630 | BOLT | 57000- | |
| 22 | \6\ | PLUG | 57000- | |
| 23 | 700-13-31161 | O-RING | 57000- | |
| 24 | 07000-11007 | O-RING | 57000- |