| Item | Part No. | Part Name | Qty | Serial No. |
| 723-49-21101 | VALVE ASSEMBLY | H55051- | ||
| THESE ASSEMBLIES CONSIST OF ALL PARTS SHOWN IN FIGS.Y1666-01A0 TO Y1666-22A0 | ||||
| 723-40-87300 | VALVE ASSEMBLY | H55051- | ||
| 1 | 723-40-87110 | BODY | H55051- | |
| 2 | 723-40-87340 | SPOOL | H55051- | |
| 3 | 723-40-87350 | PISTON | H55051- | |
| 4 | 723-40-87260 | SPRING | H55051- | |
| 5 | \6\ | SLEEVE | H55051- | |
| 6 | \6\ | SEAL | H55051- | |
| 7 | \6\ | CASE | H55051- | |
| 8 | \6\ | SEAL | H55051- | |
| 9 | 723-40-87170 | O-RING | H55051- | |
| 10 | 07000-13035 | O-RING | H55051- | |
| 11 | 07000-11007 | O-RING | H55051- | |
| 12 | \6\ | PLUG | H55051- | |
| 13 | 723-40-87390 | PLUG | H55051- | |
| 14 | 07000-13024 | O-RING | H55051- | |
| 15 | 01252-60880 | BOLT | H55051- | |
| 16 | 01252-61075 | BOLT | H55051- | |
| 17 | 07000-13038 | O-RING | H55051- | |
| 18 | 07000-11010 | O-RING | H55051- |