Shipboard fittings mean bollards and bitts, fairleads, stand rollers and chocks used for the normal mooring of the ship and similar components used for the normal towing of the ship. Other components such as capstans, winches, etc. are not covered by this guidance. Any weld, bolt or other fastening connecting the shipboard fitting to the supporting hull structure is part of the shipboard fitting and subject to any industry standard applicable to such fitting.
Source: IMO MSC.1/Circ.1175, guidance on shipboard towing and mooring equipment, 24 May 2004, International Maritime Organization. Regulatory Guidance