| Item | Part No. | Part Name | Qty | Serial No. |
| (723-23-10604) | VALVE ASS'Y | 1181- | ||
| (723-23-10602) | VALVE ASS'Y | 1166-1180 | ||
| (723-23-10601) | VALVE ASS'Y | 1001-1165 | ||
| THESE ASSEMBLIES CONSIST OF ALL PARTS SHOWN IN FIGS.Y1663-11A0 TO Y1663-17A0. | ||||
| 723-21-03803 | VALVE SUB ASS'Y | 1181- | ||
| 723-21-03802 | VALVE SUB ASS'Y | 1166-1180 | ||
| 723-21-03801 | VALVE SUB ASS'Y | 1001-1165 | ||
| 1 | \6\ | BLOCK,VALVE | 1001- | |
| 2 | \6\ | SPOOL | 1001- | |
| 3 | 723-26-16180 | PLUG | 1181- | |
| 3 | 723-26-15480 | PLUG | 1001-1180 | |
| 4 | 07000-11003 | O-RING | 1001- | |
| 5 | 07001-01003 | RING,BACK-UP | 1001- | |
| 6 | 709-25-11290 | SEAL | 1001- | |
| 6A | 124-43-64160 | PLATE | 1181- | |
| 6A | 723-26-15880 | SEAL | 1166-1180 | |
| 7 | 723-26-15820 | PLATE | 1001- | |
| 8 | 723-26-15810 | PLATE | 1001- | |
| 9 | 700-22-11291 | RETAINER | 1001- | |
| 10 | 700-22-11321 | PLUG | 1001- | |
| 11 | 700-22-11311 | SPRING | 1001- | |
| 12 | 723-26-15420 | CASE | 1001- | |
| 13 | 01252-60616 | BOLT | 1001- |