| Item | Part No. | Part Name | Qty | Serial No. |
| (723-24-10803) | VALVE ASS'Y | 1181- | ||
| (723-24-10801) | VALVE ASS'Y | 1166-1180 | ||
| (723-24-10800) | VALVE ASS'Y | 1088-1165 | ||
| (723-24-10601) | VALVE ASS'Y | 1001-1087 | ||
| THESE ASSEMBLIES CONSIST OF ALL PARTS SHOWN IN FIGS.Y1664-01A0 TO Y1664-12A0. | ||||
| \6\ | BLOCK SUB ASS'Y | 1001- | ||
| 723-20-85200 | VALVE ASS'Y | 1001- | ||
| 1 | \6\ | SLEEVE | 1001- | |
| 2 | \6\ | SEAT | 1001- | |
| 3 | \6\ | BALL | 1001- | |
| 4 | 07002-11223 | O-RING | 1001- | |
| 5 | 07000-11007 | O-RING | 1001- | |
| 6 | 07001-01007 | RING,BACK-UP | 1001- | |
| 7 | 07000-11005 | O-RING | 1001- | |
| 8 | 07001-01005 | RING,BACK-UP | 1001- | |
| 9 | 723-26-15220 | PLUG | 1001- | |
| 10 | 07002-11223 | O-RING | 1001- | |
| 11 | \6\ | PLUG | 1001- | |
| 12 | 07000-12020 | O-RING | 1001- | |
| 13 | 07000-12120 | O-RING | 1001- | |
| 14 | 07000-11008 | O-RING | 1001- | |
| 15 | 723-26-15840 | O-RING | 1001- | |
| 16 | 144-14-54610 | O-RING | 1001- | |
| 17 | 723-56-31730 | O-RING | 1001- | |
| 18 | 702-75-11520 | O-RING | 1001- | |
| 19 | 07000-11008 | O-RING | 1001- |