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For a selection of basic naval terms, see the log and report glossary.

Results: stern tube

frame, boss
nautical:  A frame that is bent to fit around the boss in the way of a stern tube or shaft.
shaft alley
nautical:  A watertight passage, housing the propeller shafting from the engine room to the bulkhead at which the stern tube commences. It provides access to the shafting and its bearings and also prevents any damage to the same from the cargo in the spaces through which it passes.
shaft pipe
nautical:  See Stern Tube.
stern tube
nautical:  The bearing supporting the propeller shaft where it emerges from the ship. It consists of a hollow cast-iron or steel cylinder fitted with brass bushings, which in turn are lined with lignum vitae, white metal, etc., bearing surfaces upon which the propeller shaft, enclosed in a sleeve, rotates.