| 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\ | BLOCK SUB ASS'Y | 1001- | ||
| 1 | \6\ | BLOCK | 1001- | |
| 2 | \6\ | SPOOL | 1001- | |
| 3 | 723-26-15860 | WASHER | 1001- | |
| 4 | 723-26-14460 | SPRING | 1001- | |
| 5 | 723-26-15850 | PLUG | 1001- | |
| 6 | 700-80-61260 | O-RING | 1001- | |
| 7 | 700-80-61430 | RING | 1001- | |
| 8 | 723-26-15230 | PLUG | 1001- | |
| 9 | 07002-12434 | O-RING | 1001- | |
| 10 | \6\ | SPOOL | 1001- | |
| 11 | 723-26-14470 | SPRING | 1001- | |
| 12 | 723-60-21400 | VALVE ASS'Y,RELIEF | 1001- | |
| 13 | 07002-12434 | O-RING | 1001- | |
| 14 | 07000-12016 | O-RING | 1001- | |
| 15 | 07001-02016 | RING,BACK-UP | 1001- | |
| 16 | \6\ | PISTON | 1001- | |
| 17 | 723-36-15340 | SPRING | 1001- | |
| 18 | \6\ | SLEEVE | 1001- | |
| 19 | 723-36-15250 | CASE | 1001- | |
| 20 | 07000-13042 | O-RING | 1001- | |
| 21 | 01252-60820 | BOLT | 1001- |