| Item | Part No. | Part Name | Qty | Serial No. |
| (723-26-10501) | VALVE ASS'Y | 29021-29030 | ||
| THIS ASSEMBLY CONSISTS OF ALL PARTS SHOWN IN FIGS.Y1660-01A1 T0 Y1660-06A1. | ||||
| 1 | 723-26-15180 | PLUG | 29021-29030 | |
| 2 | 07002-11423 | O-RING | 29021-29030 | |
| 3 | 708-8E-16160 | PLUG | 29021-29030 | |
| 4 | 07002-11023 | O-RING | 29021-29030 | |
| 5 | 723-26-15350 | PLUG | 29021-29030 | |
| 6 | 07002-11423 | O-RING | 29021-29030 | |
| 7 | 07000-11007 | O-RING | 29021-29030 | |
| 8 | 07001-01007 | RING,BACK-UP | 29021-29030 | |
| 9 | 706-73-71450 | PLUG | 29021-29030 | |
| 10 | 07002-11423 | O-RING | 29021-29030 | |
| 11 | 723-26-15190 | PLUG | 29021-@ | |
| 12 | 07000-11009 | O-RING | 29021-@ | |
| 13 | 07001-01009 | RING,BACK-UP | 29021-@ | |
| 14 | 07000-11007 | O-RING | 29021-@ | |
| 15 | 07001-01007 | RING,BACK-UP | 29021-@ | |
| 16 | \6\ | PLUG | 29021-@ | |
| 17 | 07002-11223 | O-RING | 29021-@ | |
| 18 | 07000-11007 | O-RING | 29021-@ | |
| 19 | 07001-01007 | RING,BACK-UP | 29021-@ | |
| 20 | \6\ | SCREW | 29021-@ | |
| 21 | \6\ | PLUG | 29021-29030 |