| Item | Part No. | Part Name | Qty | Serial No. |
| (723-25-10503) | VALVE ASS'Y | 1181- | ||
| (723-25-10501) | VALVE ASS'Y | 1166-1180 | ||
| (723-25-10500) | VALVE ASS'Y | 1088-1165 | ||
| (723-25-10202) | VALVE ASS'Y | 1033-1087 | ||
| (723-25-10201) | VALVE ASS'Y | 1001-1032 | ||
| THESE ASSEMBLIES CONSIST OF ALL PARTS SHOWN IN FIGS.Y1665-01A0 TO Y1665-14A0. | ||||
| \6\ | VALVE ASS'Y | 1001- | ||
| 1 | \6\ | BLOCK,VALVE | 1001- | |
| 2 | 144-14-54610 | O-RING | 1001- | |
| 3 | 723-56-31720 | O-RING | 1001- | |
| 4 | 723-56-31730 | O-RING | 1001- | |
| 5 | 702-75-11520 | O-RING | 1001- | |
| 6 | 07000-11008 | O-RING | 1001- | |
| 7 | \6\ | SPOOL | 1001- | |
| 8 | 723-56-31210 | RETAINER | 1001- | |
| 9 | 723-36-14120 | SPRING | 1001- | |
| 10 | 723-56-31510 | CASE | 1001- | |
| 11 | 702-21-55450 | O-RING | 1001- | |
| 12 | 01252-60630 | BOLT | 1001- | |
| 13 | \6\ | VALVE | 1001- | |
| 14 | 723-56-41710 | SPRING | 1001- | |
| 15 | 723-26-15230 | PLUG | 1001- | |
| 16 | 07002-12434 | O-RING | 1001- | |
| 17 | \6\ | VALVE | 1001- | |
| 18 | \6\ | PISTON | 1001- | |
| 19 | 723-56-41730 | SPRING | 1001- | |
| 20 | 723-56-41840 | PLUG | 1001- | |
| 21 | 07000-13024 | O-RING | 1001- | |
| 22 | 723-56-31640 | PLUG | 1001- | |
| 23 | 07002-11623 | O-RING | 1001- | |
| 24 | 07000-11008 | O-RING | 1001- |