| Item | Part No. | Part Name | Qty | Serial No. |
| (723-29-16101) | VALVE ASS'Y | 59659- | ||
| (723-29-16100) | VALVE ASS'Y | 58001-59658 | ||
| (723-29-13103) | VALVE ASS'Y | 55328-58000 | ||
| (723-29-13102) | VALVE ASS'Y | 54770-55327 | ||
| (723-29-13101) | VALVE ASS'Y | 52374-54769 | ||
| THESE ASSEMBLIES CONSIST OF ALL PARTS SHOWN IN FIGS.Y1666-01A0 TO Y1666-09A0. | ||||
| 723-21-02400 | VALVE SUB ASS'Y | 52374- | ||
| 1 | \6\ | BLOCK | 52374- | |
| 2 | \6\ | SPOOL | 52374- | |
| 3 | \6\ | PLUG | 52374- | |
| 4 | \6\ | PLUG | 52374- | |
| 5 | 07002-10823 | O-RING | 52374- | |
| 6 | 723-26-15160 | VALVE | 52374- | |
| 7 | 723-26-14130 | SPRING | 52374- | |
| 8 | 723-26-15110 | CASE | 52374- | |
| 9 | 709-26-11450 | SPRING | 52374- | |
| 10 | 723-26-15120 | RETAINER | 52374- | |
| 11 | 575-41-17420 | O-RING | 52374- | |
| 12 | 01252-60630 | BOLT | 52374- | |
| 13 | 01641-20608 | WASHER | 52374- | |
| 14 | \6\ | VALVE | 52374- | |
| 15 | \6\ | VALVE | 52374- | |
| 16 | 723-26-51190 | PISTON | 52374- | |
| 17 | 723-26-14140 | SPRING | 52374- | |
| 18 | 723-26-15230 | PLUG | 52374- | |
| 19 | 07002-12434 | O-RING | 52374- | |
| 20 | 07000-13035 | O-RING | 52374- | |
| 21 | 07000-12020 | O-RING | 52374- | |
| 22 | 07000-02120 | O-RING | 52374- | |
| 23 | 07000-12010 | O-RING | 52374- | |
| 24 | \6\ | VALVE | 52374- | |
| 25 | 723-26-15220 | PLUG | 52374- | |
| 26 | 723-26-15330 | PLUG | 52374- | |
| 27 | 723-26-14150 | SPRING | 52374- | |
| 28 | 07002-11223 | O-RING | 52374- | |
| 29 | 07000-11006 | O-RING | 52374- | |
| 30 | 723-26-15310 | PLUG | 52374- | |
| 31 | 07002-12034 | O-RING | 52374- | |
| 32 | 07000-11007 | O-RING | 52374- | |
| 723-20-80100 | VALVE ASS'Y,SUCTION | 52374- | ||
| 33 | \6\ | SLEEVE | 52374- | |
| 34 | \6\ | VALVE | 52374- | |
| 35 | \6\ | SPRING | 52374- | |
| 36 | \6\ | SEAL | 52374- | |
| 37 | 07002-12034 | O-RING | 52374- |