| Item | Part No. | Part Name | Qty | Serial No. |
| (723-18-11504) | VALVE ASS'Y | ....- | ||
| (723-18-11503) | VALVE ASS'Y | ...-.... | ||
| (723-18-11502) | VALVE ASS'Y | ..-... | ||
| (723-18-11501) | VALVE ASS'Y | .-.. | ||
| (723-18-11500) | VALVE ASS'Y | 10001-. | ||
| THESE ASSEMBLIES CONSIST OF ALL PARTS SHOWN IN FIGS.Y1660-01A0 TO Y1660-10A0. | ||||
| 1 | 07000-12100 | O-RING | 10001- | |
| 2 | 723-11-19110 | O-RING | 10001- | |
| 3 | 723-11-19130 | O-RING | 10001- | |
| 4 | 07000-12020 | O-RING | 10001- | |
| 5 | 07000-11008 | O-RING | 10001- | |
| 6 | 07000-11004 | O-RING | 10001- | |
| 7 | 723-11-19150 | RING | 10001- | |
| 8 | 723-11-19120 | BOLT | 10001- | |
| 9 | 01643-50823 | WASHER | 10001- | |
| 10 | 01010-80850 | BOLT | 10001- | |
| 11 | \6\ | SPOOL | .- | |
| 11 | \6\ | SPOOL | 10001-. | |
| 12 | \6\ | SPOOL | 10001- | |
| 13 | \6\ | SPOOL | 10001- | |
| 14 | \6\ | SPOOL | 10001- | |
| 15 | \6\ | SPOOL | 10001- | |
| 16 | \6\ | SPOOL | 10001- | |
| 17 | \6\ | SPOOL | 10001- | |
| 18 | \6\ | SPOOL | 10001- |