| Item | Part No. | Part Name | Qty | Serial No. |
| 12F-57-11111 | SEAT ASS'Y | 31439- | ||
| 1 | 12F-57-11121 | CUSHION,SEAT | 31439- | |
| 2 | 12F-57-11221 | CUSHION,BACK | 31439- | |
| 3 | 12F-57-11230 | PLATE | 31439- | |
| 4 | 12F-57-11240 | PLATE | 31439- | |
| 5 | 01010-51020 | BOLT | 31439- | |
| 6 | 01602-21030 | WASHER,SPRING | 31439- | |
| 7 | 01580-11210 | NUT | 31439- | |
| 8 | 01602-21236 | WASHER,SPRING | 31439- | |
| 9 | 101-57-31161 | BOX ASS'Y | 31439- | |
| 10 | 09989-03046 | BOX | 31439- | |
| 11 | 101-57-31210 | LOCK | 31439- | |
| 12 | 09459-01614 | SPRING | 31439- | |
| 13 | 01642-01016 | WASHER | 31439- | |
| 14 | 04050-03015 | PIN,COTTER | 31439- | |
| 15 | 09402-00000 | REST,ARM | 31439- | |
| 16 | 01010-30825 | BOLT | 31439- | |
| 17 | 01602-00825 | WASHER,SPRING | 31439- | |
| 18 | 101-57-21112 | BRACKET,L.H. | 31439- | |
| 19 | 101-57-11184 | BRACKET,R.H. | 31439- | |
| 20 | 01010-31020 | BOLT | 31439- | |
| 21 | 01602-01030 | WASHER,SPRING | 31439- | |
| 22 | 101-57-31132 | PLATE | 31439- | |
| 23 | 140-57-12190 | PLATE | 31439- | |
| 24 | 01010-31225 | BOLT | 31439- | |
| 25 | 01602-01236 | WASHER,SPRING | 31439- | |
| 26 | 01010-31016 | BOLT | 31439- | |
| 27 | 01602-01030 | WASHER,SPRING | 31439- | |
| 28 | 101-57-11321 | HOOK | 31439- | |
| 29 | 103-57-11170 | SPRING,TORSION | 31439- | |
| 30 | 135-43-16270 | PIN | 31439- | |
| 31 | 04050-03015 | PIN,COTTER | 31439- | |
| 32 | 101-57-31113 | FRAME | 31439- | |
| 33 | 101-57-31120 | BOX,TOOL | 31439- | |
| 34 | 01010-31230 | BOLT | 31439- | |
| 35 | 01602-01236 | WASHER,SPRING | 31439- | |
| 36 | 01643-01232 | WASHER | 31439- | |
| 37 | 103-57-11190 | LEVER | 31439- | |
| 38 | 103-57-11210 | PIN | 31439- | |
| 39 | 04050-02012 | PIN,COTTER | 31439- | |
| 40 | 101-57-11143 | COVER | 31439- | |
| 41 | 01010-31016 | BOLT | 31439- | |
| 42 | 01602-01030 | WASHER,SPRING | 31439- | |
| 43 | 01643-01032 | WASHER | 31439- | |
| 44 | 101-57-31220 | BRACKET,L.H. | 31439- | |
| 45 | 101-57-31230 | BRACKET,R.H. | 31439- | |
| 46 | 01010-31435 | BOLT | 31439- | |
| 47 | 01602-01442 | WASHER,SPRING | 31439- | |
| 48 | 01016-31280 | BOLT | 31439- | |
| 49 | 01580-11210 | NUT | 31439- |