| Item | Part No. | Part Name | Qty | Serial No. |
| 1 | 20A-57-11112 | SEAT | 10001- | |
| 2 | 20A-57-11131 | PLATE | 10001- | |
| 20A-57-11140 | HINGE (WELDED) | 10001- | ||
| 3 | 01023-10614 | SCREW | 10001- | |
| 4 | 20A-57-11150 | PLATE | 10001- | |
| 5 | 01434-10616 | BOLT¤ WING | 10001- | |
| 6 | 20A-57-21111 | BRACKET | 10707- | |
| 20A-57-21110 | BRACKET | 10001-10706 | ||
| 7 | 20A-57-21120 | LEVER | 10001- | |
| 8 | 20A-57-11220 | PIN | 10001- | |
| 9 | 09461-00023 | SPRING | 10001- | |
| 10 | 04050-13020 | PIN,COTTER | 10001- | |
| 11 | 01435-00820 | BOLT | 10001- | |
| 12 | 20A-57-21130 | BRACKET | 10001- | |
| 13 | 01435-00820 | BOLT | 10001- | |
| 14 | 20A-57-11250 | HINGE | 10001- | |
| 15 | 01435-00816 | BOLT | 10584- | |
| 01435-00816 | BOLT | 10001-10583 | ||
| 15A | 01435-00825 | BOLT | 10584- | |
| 16 | 20A-57-11260 | PLATE | 10001- | |
| 17 | 20A-57-21140 | SHEET | 10001- |