| Item | Part No. | Part Name | Qty | Serial No. |
| (723-23-10305) | VALVE ASSEMBLY | B40219- | ||
| (723-23-10304) | VALVE ASSEMBLY | B40017-B40218 | ||
| (723-23-10303) | VALVE ASSEMBLY | B40001-B40016 | ||
| THIS ASSEMBLY CONSISTS OF ALL PARTS SHOWN IN FIGS.Y1663-01A0 T0 Y1663-04A0 | ||||
| 1 | \6\ | BLOCK | B40001- | |
| 2 | \6\ | BLOCK, VALVE | B40001- | |
| 3 | \6\ | BLOCK, VALVE | B40001- | |
| 4 | \6\ | BLOCK, VALVE | B40001- | |
| 5 | \6\ | COVER | B40001- | |
| 6 | 07000-12120 | O-RING | B40001- | |
| 7 | 723-26-15830 | O-RING | B40001- | |
| 8 | 723-26-15840 | O-RING | B40001- | |
| 9 | 07000-12020 | O-RING | B40001- | |
| 10 | 07000-11008 | O-RING | B40001- | |
| 11 | 700-84-11172 | BOLT | B40001- | |
| 12 | 01643-31032 | WASHER | B40001- |