| 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 | ||||
| 723-40-91102 | VALVE ASSEMBLY | H55051- | ||
| 1 | \6\ | SLEEVE | H55051- | |
| 2 | \6\ | VALVE | H55051- | |
| 3 | \6\ | POPPET | H55051- | |
| 4 | \6\ | SPRING | H55051- | |
| 5 | \6\ | SEAT | H55051- | |
| 6 | \6\ | O-RING | H55051- | |
| 7 | \6\ | RING | H55051- | |
| 8 | \6\ | HOLDER | H55051- | |
| 9 | \6\ | RETAINER | H55051- | |
| 10 | \6\ | NUT | H55051- | |
| 11 | \6\ | HOLDER | H55051- | |
| 12 | \6\ | PLUG | H55051- | |
| 13 | \6\ | SPRING | H55051- | |
| 14 | \6\ | O-RING | H55051- | |
| 15 | \6\ | NUT | H55051- | |
| 16 | \6\ | SPRING | H55051- | |
| 17 | \6\ | RING | H55051- | |
| 18 | 700-22-11410 | O-RING | H55051- | |
| 19 | 700-80-64220 | RING | H55051- | |
| 20 | 07002-12434 | O-RING | H55051- |