Helmsman Adapter used to retrofit existing mounting hole sizes 4-1/4" - 5" in diameter. Includes: Adapter Ring, Gasket, Mounting Screws, Instructions and addendum. For use with: HF-742W, HF-743W or SS-1002W. This Ritchie Helmsman Compass Adapter (model H-AWHT) provides a simple retrofit solution for installing Helmsman compasses into pre-existing mounting holes. Constructed with durable materials and supplied with the necessary mounting hardware and gasket to ensure a proper fit and weather resistance. Ideal for marine navigation installations and replacement/upgrade scenarios on boats compatible with the listed models.
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