| Item | Part No. | Part Name | Qty | Serial No. |
| (723-48-19501) | CONTROL VALVE | 12223- | ||
| (723-48-19500) | CONTROL VALVE | 12215-12222 | ||
| (723-48-19202) | CONTROL VALVE | 12197-12214 | ||
| (723-48-19201) | CONTROL VALVE | 12104-12196 | ||
| (723-48-19200) | CONTROL VALVE | 12001-12103 | ||
| (723-48-17201) | VALVE ASS'Y | 10110-11999 | ||
| (723-48-17200) | VALVE ASS'Y | 10001-10109 | ||
| THESE ASSEMBLIES CONSIST OF ALL PARTS SHOWN IN FIGS.Y1664-21A0 TO Y1664-35A0. | ||||
| 723-40-50400 | VALVE ASS'Y,RELIEF | 10001-10109 | ||
| 1 | \6\ | SLEEVE | 10001-10109 | |
| 2 | \6\ | VALVE | 10001-10109 | |
| 3 | \6\ | POPPET | 10001-10109 | |
| 4 | \6\ | SPRING | 10001-10109 | |
| 5 | \6\ | SCREW | 10001-10109 | |
| 6 | \6\ | SPRING | 10001-10109 | |
| 7 | \6\ | PLUG | 10001-10109 | |
| 8 | \6\ | NUT | 10001-10109 | |
| 9 | 700-22-11410 | O-RING | 10001-10109 | |
| 10 | 700-80-64220 | RING | 10001-10109 | |
| 11 | 07002-02434 | O-RING | 10001-10109 | |
| 12 | 07000-02011 | O-RING | 10001-10109 | |
| 723-40-50401 | VALVE ASS'Y,RELIEF | 10110- | ||
| 13 | \6\ | SLEEVE | 10110- | |
| 14 | \6\ | SEAT | 10110- | |
| 15 | \6\ | VALVE | 10110- | |
| 16 | \6\ | POPPET | 10110- | |
| 17 | \6\ | SPRING | 10110- | |
| 18 | \6\ | HOLDER | 10110- | |
| 19 | \6\ | SCREW | 10110- | |
| 20 | \6\ | SPRING | 10110- | |
| 21 | \6\ | PLUG | 10110- | |
| 22 | \6\ | NUT | 10110- | |
| 23 | \6\ | NUT | 10110- | |
| 24 | 700-22-11410 | O-RING | 10110- | |
| 25 | 700-80-64220 | RING | 10110- | |
| 26 | 07002-02434 | O-RING | 10110- | |
| 27 | \6\ | O-RING | 10110- | |
| 28 | \6\ | O-RING | 10110- | |
| 29 | \6\ | RING | 10110- | |
| 30 | \6\ | O-RING | 10110- |