| Item | Part No. | Part Name | Qty | Serial No. |
| 421-57-21510 | SEAT ASSEMBLY | |||
| BS170254 | UPPER ASSEMBLY | |||
| 1 | (NSS) | BACK COVER KIT | ||
| 2 | (NSS) | BACK FOAM KIT | ||
| 3 | (NSS) | SEAT COVER KIT | ||
| 4 | (NSS) | SEAT FOAM KIT | ||
| 5 | (NSS) | FRAME KIT | ||
| 6 | BS162056 | SPRING KIT | ||
| 7 | BS157157 | LATVH KIT | ||
| 8 | BS166280 | HANDLE KIT | ||
| 9 | BS163369 | HEIGHT RISER KIT | ||
| 10 | BS157230 | SUSPENSION ASSEMBLY | ||
| 11 | BS157228 | DAMPER ASSEMBLY KIT | ||
| 12 | BS156737 | WEIGHT ADJUSTER KIT | ||
| 13 | BS156717 | STOP KIT | ||
| 14 | BS156738 | BEARING KIT | ||
| 15 | BS166568 | ADJUSTER KIT | ||
| 16 | BS161796 | HANDLE | ||
| 17 | BS151185 | HEAD REST KIT | ||
| 18 | BS165216 | ARM REST KIT, LEFT HAND | ||
| 19 | BS166386 | ARM REST KIT, RIGHT HAND | ||
| 20 | 423-96-02111 | BRACKET, LEFT HAND | ||
| 21 | 423-96-02121 | BRACKET, RIGHT HAND | ||
| 22 | 01252-40820 | BOLT | ||
| 23 | 01584-00806 | NUT | ||
| 24 | 01435-01225 | BOLT | ||
| 25 | 01641-20812 | WASHER | ||
| 26 | 02030-70719 | BOLT | ||
| 27 | 01643-30823 | WASHER |
