| Item | Part No. | Part Name | Qty | Serial No. |
| (723-48-20402) | VALVE ASS'Y | 40001- | ||
| THIS ASSEMBLY CONSISTS OF ALL PARTS SHOWN IN FIGS.Y1664-01A0 T0 Y1664-21A0. | ||||
| 723-40-71103 | VALVE ASS'Y | 40001- | ||
| 1 | \6\ | BODY | 40001- | |
| 2 | \6\ | SPOOL | 40001- | |
| 3 | 723-40-71330 | RETAINER | 40001- | |
| 4 | 723-40-71340 | SPRING | 40001- | |
| 5 | 01252-60816 | BOLT | 40001- | |
| 6 | 723-46-15111 | CASE | 40001- | |
| 7 | 723-40-71350 | RETAINER | 40001- | |
| 8 | 07430-71380 | O-RING | 40001- | |
| 9 | 01252-60820 | BOLT | 40001- | |
| 10 | \6\ | SPOOL | 40001- | |
| 11 | 723-40-71440 | SPRING | 40001- | |
| 12 | \6\ | PLUG | 40001- | |
| 13 | 709-74-91860 | PLUG | 40001- | |
| 14 | 07002-12434 | O-RING | 40001- | |
| 15 | \6\ | SPOOL | 40001- | |
| 16 | 723-40-71390 | SPRING | 40001- | |
| 17 | 723-40-61150 | PLUG | 40001- | |
| 18 | 07002-12434 | O-RING | 40001- | |
| 19 | \6\ | VALVE ASS'Y,RELIEF | 40001- | |
| 20 | 702-16-53920 | O-RING | 40001- | |
| 21 | 07002-11623 | O-RING | 40001- |