| Item | Part No. | Part Name | Qty | Serial No. |
| 1 | 20Y-70-11390 | SPACER, 0.8 MM | A83001-- | |
| 2 | 20Y-70-11370 | SPACER, 1.5 MM | A83001-- | |
| 3 | 20Y-70-11170 | PLATE | A83001-- | |
| 4 | 20Y-70-11380 | BOLT | A83001-- | |
| 5 | 01580-12016 | NUT | A83001-- | |
| 6 | 206-70-51190 | PIN, BOOM CENTER | A83001-- | |
| 7 | CYLINDER, BOOM (SEE FIG. T1120-03A0) | A83001-- |