| Item | Part No. | Part Name | Qty | Serial No. |
| (723-49-12100) | VALVE ASS'Y | 88000-89798 | ||
| THIS ASSEMBLY CONSISTS OF ALL PARTS SHOWN IN FIGS.Y1666-01A0B T0 Y1666-11A0B . | ||||
| 723-40-51100 | VALVE ASS'Y,RELIEF | 88000-89798 | ||
| 1 | \6\ | SLEEVE | 88000-89798 | |
| 2 | \6\ | VALVE | 80001-89798 | |
| 3 | \6\ | POPPET | 80001-@ | |
| 4 | \6\ | SPRING | 80001-@ | |
| 5 | \6\ | RETAINER | 88000-@ | |
| 6 | \6\ | NUT | 88000-@ | |
| 7 | \6\ | HOLDER | 88000-@ | |
| 8 | \6\ | PLUG | 88000-@ | |
| 9 | \6\ | O-RING | 88000-89798 | |
| 10 | \6\ | NUT | 88000-@ | |
| 11 | \6\ | SPRING | 80001-89798 | |
| 12 | \6\ | RING | 80001-@ | |
| 13 | 700-22-11410 | O-RING | 80001-@ | |
| 14 | 700-80-64220 | RING | 80001-@ | |
| 15 | 07002-02434 | O-RING | 88000-89798 |
