| Item | Part No. | Part Name | Qty | Serial No. |
| (723-57-16101) | CONTROL VALVE | B20091- | ||
| (723-57-16100) | CONTROL VALVE | B20001-B20090 | ||
| THESE ASSEMBLIES CONSIST OF ALL PARTS SHOWN IN FIGS.Y1662-01A0 TO Y1662-28A0. | ||||
| 1 | 723-50-60200 | VALVE ASS'Y | B20001- | |
| 2 | 709-25-11390 | O-RING | B20001- | |
| 3 | 07000-12012 | O-RING | B20001- | |
| 4 | 07001-02012 | RING,BACK-UP | B20001- |