| Item | Part No. | Part Name | Qty | Serial No. |
| 418-U77-A190 | EXTENDABLE BOOM, THREE-SECTION | A71001 -- | ||
| 1 | (NSS) | TUBE, END | A71001 -- | |
| 2 | (NSS) | TUBE, CENTER | A71001 -- | |
| 3 | (NSS) | TUBE, BASE | A71001 -- | |
| 4 | (NSS) | PIN | A71001 -- | |
| 5 | (NSS) | PIN | A71001 -- | |
| 6 | (NSS) | PIN, COTTER | A71001 -- |