| Item | Part No. | Part Name | Qty | Serial No. |
| 723-48-21301 | VALVE ASS'Y | 40001- | ||
| THIS ASSEMBLY CONSISTS OF ALL PARTS SHOWN IN FIGS.Y1664-31A0 T0 Y1664-51A0. | ||||
| \6\ | BODY SUB ASS'Y | 40001- | ||
| 1 | \6\ | BLOCK,VALVE | 40001- | |
| 2 | \6\ | SPOOL | 40001- | |
| 3 | \6\ | SPOOL | 40001- | |
| 4 | \6\ | SPOOL | 40001- | |
| 5 | \6\ | SPOOL | 40001- | |
| 6 | \6\ | SPOOL | 40001- | |
| 7 | 723-46-15130 | PLUG | 40001- | |
| 8 | 723-46-15140 | PLUG | 40001- | |
| 9 | 07002-10823 | O-RING | 40001- | |
| 10 | 708-7T-16460 | BALL | 40001- | |
| 11 | 723-46-15120 | RETAINER | 40001- | |
| 12 | 723-46-15690 | RETAINER | 40001- | |
| 13 | 723-46-14110 | SPRING | 40001- | |
| 14 | 723-46-14270 | SPRING | 40001- | |
| 15 | 723-46-14131 | SPRING | 40001- |