| Item | Part No. | Part Name | Qty | Serial No. |
| (723-38-17102) | VALVE ASS'Y | 1437-2346 | ||
| (723-38-17100) | VALVE ASS'Y | 1001-1436 | ||
| THESE ASSEMBLIES CONSIST OF ALL PARTS SHOWN IN FIGS.Y1664-01A0 TO Y1664-12A0. | ||||
| 1 | 723-36-15151 | PLUG | 1001-2346 | |
| 2 | 07000-11004 | O-RING | 1001-2346 | |
| 3 | 07001-01004 | RING | 1001-2346 | |
| 4 | 07002-11023 | O-RING | 1001-2346 | |
| 5 | 01010-51680 | BOLT | 1001-2346 | |
| 6 | 01011-51475 | BOLT | 1001-2346 | |
| 7 | 01643-51645 | WASHER | 1001-2346 | |
| 8 | 01010-80855 | BOLT | 1001-2346 | |
| 9 | 07000-12012 | O-RING | 1001-2346 | |
| 10 | 07000-13028 | O-RING | 1001-2346 | |
| 11 | 07000-03035 | O-RING | 1001-2346 | |
| 12 | 07040-12412 | PLUG | 1001-2346 | |
| 13 | 07002-02434 | O-RING | 1001-2346 | |
| 14 | 708-8E-16160 | PLUG | 1001-2346 | |
| 15 | 07002-11023 | O-RING | 1001-2346 | |
| 16 | \6\ | PLUG | 1001-2346 | |
| 17 | \6\ | COVER,A | 1001-2346 | |
| 18 | \6\ | COVER,B | 1001-2346 | |
| 19 | 723-36-15210 | SLEEVE | 1001-2346 | |
| 20 | 723-36-15230 | PISTON | 1001-2346 | |
| 21 | 723-36-15220 | PISTON | 1001-2346 | |
| 22 | 723-36-15340 | SPRING | 1001-2346 | |
| 23 | 723-36-15240 | SPRING | 1001-2346 | |
| 24 | 723-36-15250 | CASE | 1001-2346 | |
| 25 | 07000-03042 | O-RING | 1001-2346 | |
| 26 | 01252-30820 | BOLT | 1001-2346 |