| Item | Part No. | Part Name | Qty | Serial No. |
| 723-48-23704 | VALVE ASSEMBLY | K53404- | ||
| 723-48-23702 | VALVE ASSEMBLY | K52508-K53403 | ||
| (723-48-23700) | VALVE ASSEMBLY | K50001-K52507 | ||
| THIS ASSEMBLY CONSISTS OF ALL PARTS SHOWN IN FIGS.Y1664-31A0 T0 Y1664-51A0. | ||||
| 723-40-72100 | VALVE ASSEMBLY | K50001- | ||
| 1 | \6\ | BODY | K50001- | |
| 2 | \6\ | SPOOL | K50001- | |
| 3 | 723-40-72800 | PLATE ASSEMBLY | K50001- | |
| 4 | 702-21-57400 | PILOT VALVE | K50001- | |
| 5 | 723-46-15111 | CASE | K50001- | |
| 6 | 07430-71380 | O-RING | K50001- | |
| 7 | 723-40-71330 | RETAINER | K50001- | |
| 8 | 723-40-71340 | SPRING | K50001- | |
| 9 | 723-40-71350 | RETAINER | K50001- | |
| 10 | 01252-60816 | BOLT | K50001- | |
| 11 | 723-40-71870 | UNION | K50001- | |
| 12 | 02896-11008 | O-RING | K50001- | |
| 13 | 07002-11423 | O-RING | K50001- | |
| 14 | 07040-11409 | PLUG | K50001- | |
| 15 | 07002-11423 | O-RING | K50001- | |
| 16 | 01252-60855 | BOLT | K50001- | |
| 17 | 01252-60635 | BOLT | K50001- | |
| 18 | \6\ | SPOOL ASSEMBLY | K50001- | |
| 19 | 723-40-71850 | SPRING | K50001- | |
| 20 | 723-46-18720 | O-RING | K50001- | |
| 21 | \6\ | SPOOL | K50001- | |
| 22 | 723-40-71390 | SPRING | K50001- | |
| 23 | 723-46-18720 | O-RING | K50001- | |
| 723-40-71900 | VALVE ASSEMBLY | K50001- | ||
| 24 | 723-40-91600 | VALVE ASSEMBLY, RELIEF | K50001- | |
| 25 | 702-16-53920 | O-RING | K50001- | |
| 26 | 07002-11623 | O-RING | K50001- | |
| 27 | \6\ | BLOCK | K50001- | |
| 28 | \6\ | SPOOL | K50001- | |
| 29 | \6\ | SPRING | K50001- | |
| 30 | 702-21-55620 | PLUG | K50001- | |
| 31 | 07002-11423 | O-RING | K50001- | |
| 32 | 702-21-55710 | SEAT | K50001- | |
| 33 | 702-21-55720 | SPRING | K50001- | |
| 34 | 04260-00793 | BALL | K50001- | |
| 35 | 07000-11009 | O-RING | K50001- | |
| 36 | \6\ | PLUG | K50001- |