| Item | Part No. | Part Name | Qty | Serial No. |
| (723-48-10401) | VALVE ASS'Y | 1002- | ||
| (723-48-10400) | VALVE ASS'Y | 1001-1001 | ||
| THESE ASSEMBLIES CONSIST OF ALL PARTS SHOWN IN FIGS.Y1664-01A0 TO Y1664-16A0. | ||||
| 723-40-71400 | VALVE ASS'Y | 1001- | ||
| 1 | \6\ | BODY | 1001- | |
| 2 | \6\ | SPOOL | 1001- | |
| 3 | \6\ | RETAINER | 1001- | |
| 4 | 723-40-71340 | SPRING | 1001- | |
| 5 | 01252-60816 | BOLT | 1001- | |
| 6 | 723-46-15111 | CASE | 1001- | |
| 7 | \6\ | RETAINER | 1001- | |
| 8 | 07430-71380 | O-RING | 1001- | |
| 9 | 01252-60820 | BOLT | 1001- | |
| 10 | \6\ | SPOOL | 1001- | |
| 11 | 723-40-71440 | SPRING | 1001- | |
| 12 | \6\ | PLUG | 1001- | |
| 13 | 709-74-91860 | PLUG | 1001- | |
| 14 | 07002-12434 | O-RING | 1001- | |
| 15 | \6\ | SPOOL | 1001- | |
| 16 | 723-40-71390 | SPRING | 1001- | |
| 17 | \6\ | PLUG | 1001- | |
| 18 | 07002-12434 | O-RING | 1001- |