| Item | Part No. | Part Name | Qty | Serial No. |
| 1 | 21D-946-1110 | 1st BOOM | 21D5220114- | |
| 2 | 21D-09-34140 | SPACER | 21D5220114- | |
| 3 | 21D-09-33120 | BUSHING | 21D5220114- | |
| 4 | 21D-09-67120 | GASKET | 21D5220114- | |
| 5 | 21D-09-89140 | FITTING | 21D5220114- | |
| 6 | 21D-09-43210 | PIN | 21D5220114- | |
| 7 | 01010-51225 | BOLT | 21D5220114- | |
| 8 | 21D-70-14120 | WASHER | 21D5220114- | |
| 9 | 21D-09-39120 | SHIM | 21D5220114- | |
| 10 | 21D-09-43270 | PIN | 21D5220114- | |
| SEE FIG. 7160 |