US Navy Compartment ID Plate Captain's Bath

This is a U.S. Navy compartment identification plate, mounted on bulkheads or hatches to label specific shipboard spaces.

8" x 3.25"

Breakdown of the inscription:

• "01-25-2" → Compartment location:

  • 01 = first deck above the main deck.

  • 25 = at or near frame 25 (a structural frame location on the ship).

  • 2 = second compartment from the centerline (even numbers = port side, odd numbers = starboard side).

• "CAPTAIN'S BATH" → Plain text description of the compartment: the Captain’s bathroom.

• "01-25-2-L" → Classification code:

  • 01 = deck level.

  • 25 = frame location.

  • 2 = port side.

  • L = “Living” space (in Navy compartment codes, L covers living spaces like staterooms, heads, galleys, etc.).

Purpose:

This plate marked the Captain’s private bathroom aboard a U.S. Navy vessel. These identification plates ensured that crew, maintenance, and especially damage control parties could quickly locate and reference spaces during normal operations or emergencies.

So, this is the compartment ID plate for the Captain’s Bath on a Navy ship.