| Item | Part No. | Part Name | Qty | Serial No. |
| 426-57-21411 | SEAT ASSEMBLY | H50880-H51017 | ||
| 1 | GJ2048193 | BACK REST | H50880-H51017 | |
| 2 | GJ140988 | SEAT CUSHION | H50880-H51017 | |
| 3 | GJ142733 | BACK REST EXTENSION | H50880-H51017 | |
| 4 | GJ136951 | GUIDE | H50880-H51017 | |
| 5 | GJ140678 | SUPPORT KIT | H50880-H51017 | |
| 6 | GJ1091082 | ACTUATOR ASSEMBLY | H50880-H51017 | |
| 7 | GJ140679 | HANDLE KIT | H50880-H51017 | |
| 8 | GJ1091108 | ACTUATOR,BACK REST | H50880-H51017 | |
| 9 | GJ140694 | HANDLE | H50880-H51017 | |
| 10 | GJ1091158 | BEARING KIT | H50880-H51017 | |
| 11 | GJ1091191 | BACK STOP ASSEMBLY | H50880-H51017 | |
| 12 | GJ1088782 | COVER | H50880-H51017 | |
| 13 | GJ1088780 | COVER | H50880-H51017 | |
| 14 | GJ1023155 | ARM REST | H50880-H51017 | |
| 15 | GJ1023156 | ARM REST | H50880-H51017 | |
| 16 | GJ1091285 | SEAT BODY | H50880-H51017 | |
| 17 | GJ1091299 | BACK REST | H50880-H51017 | |
| 18 | GJ142259 | BOX KIT | H50880-H51017 | |
| 19 | GJ1091397 | ANGLE ADJUSTER ASSEMBLY | H50880-H51017 | |
| 20 | GJ1091389 | RESILIENT SHEET KIT | H50880-H51017 | |
| 21 | GJ139257 | ACTUATER,SEAT CUSS. | H50880-H51017 | |
| 22 | GJ1091503 | SEAT DEPTH ADJUSTER | H50880-H51017 | |
| 23 | GJ139246 | LEVER,SWIVEL/SEAT DE | H50880-H51017 | |
| 24 | GJ1091428 | RESILIENT SHEET | H50880-H51017 | |
| 25 | GJ139254 | BRACKET KIT | H50880-H51017 | |
| 26 | GJ139521 | COVER | H50880-H51017 | |
| 27 | GJ1091214 | GLIDE | H50880-H51017 | |
| 28 | GJ1088777 | MOUNTING PARTS | H50880-H51017 | |
| 29 | GJ1091471 | ADJUSTMENT KIT | H50880-H51017 |