| Item | Part No. | Part Name | Qty | Serial No. |
| 20Y-70-00212 | BOOM ASSEMBLY | |||
| 1 | (NSS) | BOOM | ||
| 2 | 20Y-62-24252 | BRACKET | ||
| 3 | 20Y-62-24262 | SEAT | ||
| 4 | 20Y-62-24271 | BRACKET | ||
| 5 | 20Y-62-24360 | BRACKET | ||
| 6 | 20Y-62-24281 | BRACKET | ||
| 7 | 20Y-62-24291 | BRACKET | ||
| 8 | 20Y-70-21191 | BUSHING | ||
| 9 | 07145-00090 | SEAL, DUST |