| Item | Part No. | Part Name | Qty | Serial No. |
| 723-15-12300 | VALVE ASS'Y | 4001- | ||
| THIS ASSEMBLY CONSISTS OF ALL PARTS SHOWN IN FIGS.Y1665-01A0 T0 Y1665-08A0. | ||||
| 1 | \6\ | BODY,VALVE | 4001- | |
| 2 | \6\ | BLOCK,VALVE | 4001- | |
| 3 | \6\ | BLOCK,VALVE | 4001- | |
| 4 | \6\ | COVER,VALVE | 4001- | |
| 5 | 723-11-18420 | BLOCK | 4001- | |
| 6 | 07000-12100 | O-RING | 4001- | |
| 7 | 07000-11008 | O-RING | 4001- | |
| 8 | 723-11-19110 | O-RING | 4001- | |
| 9 | 723-11-19150 | RING | 4001- | |
| 10 | 07000-11007 | O-RING | 4001- | |
| 11 | 723-11-18430 | O-RING | 4001- | |
| 12 | 723-11-32760 | BOLT | 4001- | |
| 13 | 723-11-32770 | BOLT | 4001- | |
| 14 | 01643-50823 | WASHER | 4001- | |
| 15 | 01252-60830 | BOLT | 4001- | |
| 16 | \6\ | SPOOL | 4001- | |
| 17 | \6\ | SPOOL | 4001- | |
| 18 | \6\ | SPOOL | 4001- |