| Item | Part No. | Part Name | Qty | Serial No. |
| (723-46-11501) | VALVE ASS'Y | 50700-52851 | ||
| (723-46-11500) | VALVE ASS'Y | 50405-50699 | ||
| (723-46-11106) | VALVE ASS'Y | 50310-50404 | ||
| THESE ASSEMBLIES CONSIST OF ALL PARTS SHOWN IN FIGS.Y1660-21A0 TO Y1660-29A0. | ||||
| 723-40-70100 | VALVE ASS'Y | 50310-52851 | ||
| 1 | \6\ | BODY | 50310-52851 | |
| 2 | \6\ | SPOOL | 50310-52851 | |
| 3 | 723-40-71160 | SPRING | 50310-52851 | |
| 4 | 723-40-71140 | PLUG | 50310-52851 | |
| 5 | 723-40-71150 | PLATE | 50310-52851 | |
| 6 | \6\ | SPOOL | 50310-52851 | |
| 7 | 723-40-71170 | SPRING | 50310-52851 | |
| 8 | 07040-11812 | PLUG | 50310-52851 | |
| 9 | 07002-11823 | O-RING | 50310-52851 | |
| 10 | \6\ | PLUG | 50310-52851 | |
| 11 | 07002-13634 | O-RING | 50310-52851 | |
| 12 | 07000-13032 | O-RING | 50310-52851 | |
| 13 | 01252-30830 | BOLT | 50310-52851 | |
| 723-40-80102 | VALVE ASS'Y | 50310-50699 | ||
| 14 | \6\ | BODY | 50310-50699 | |
| 15 | \6\ | SPOOL | 50310-50699 | |
| 16 | \6\ | SPRING | 50310-50699 | |
| 17 | \6\ | PISTON | 50310-50699 | |
| 18 | \6\ | PLUG | 50310-50699 | |
| 19 | \6\ | PLUG | 50310-50699 | |
| 20 | \6\ | O-RING | 50310-50699 | |
| 21 | \6\ | O-RING | 50310-50699 | |
| 22 | \6\ | RING | 50310-50699 | |
| 23 | \6\ | NUT | 50310-50699 |