| Item | Part No. | Part Name | Qty | Serial No. |
| 20N-57-41501 | SEAT ASS'Y | 20001- | ||
| 20M-57-61100 | SEAT | 20001- | ||
| 1 | 20M-57-61110 | SEAT | 20001- | |
| 2 | 20M-57-61120 | REST,ARM | 20001- | |
| 3 | 20M-57-61130 | GUIDE | 20001- | |
| 4 | 20M-57-61140 | PLATE | 20001- | |
| 5 | 20M-57-61150 | STOPPER | 20001- | |
| 6 | 20M-57-61160 | WASHER | 20001- | |
| 7 | 20M-57-61170 | E-RING | 20001- | |
| 8 | 20M-57-61180 | BOLT | 20001- | |
| 9 | 20N-57-41550 | SLIDE | 20001- | |
| 10 | 01010-50816 | BOLT | 20001- | |
| 11 | 01584-00806 | NUT | 20001- |