| Item | Part No. | Part Name | Qty | Serial No. |
| (723-57-16201) | CONTROL VALVE | B20091- | ||
| (723-57-16200) | CONTROL VALVE | B20001-B20090 | ||
| THESE ASSEMBLIES CONSIST OF ALL PARTS SHOWN IN FIGS.Y1662-31A0 TO Y1662-59A0. | ||||
| 1 | \6\ | VALVE | B20001- | |
| 2 | 723-56-31620 | SPRING | B20001- | |
| 3 | 723-56-31630 | PLUG | B20001- | |
| 4 | 07002-11623 | O-RING | B20001- | |
| 5 | \6\ | VALVE | B20001- | |
| 6 | 709-70-91420 | SPRING | B20001- | |
| 7 | 723-56-31660 | RETAINER | B20001- | |
| 8 | 723-56-31670 | SEAT | B20001- | |
| 9 | 723-56-31640 | PLUG | B20001- | |
| 10 | 07002-11623 | O-RING | B20001- | |
| 11 | 07000-11008 | O-RING | B20001- |