Boom Arm Assembly
AssemblyWelded or riveted steel tube that articulates to reach the water and retracts to stow. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.
Bill of materials for Boom Arm Assembly
6 top-level lines as of r98242| # | Item / sub-assembly | Part no. | Qty/assy | Ext. qty | Parts | Type |
|---|---|---|---|---|---|---|
| 1 | Lower Boom Section | lifeboat-davit-boom-lower | 1× | 1 | · | part |
| 2 | Upper Boom Section | lifeboat-davit-boom-upper | 1× | 1 | · | part |
| 3 | Boom Joint | lifeboat-davit-boom-joint | 1× | 1 | · | part |
| 4 | Lifting Lug | lifeboat-davit-boom-lifting-lugs | 2× | 2 | · | part |
| 5 | Ball Bearing | ball-bearing | 4× | 4 | · | part |
| 6 | Oil Seal | oil-seal | 2× | 2 | · | part |