also: ふなぐ
noun
ship's fittings; rigging
Refers to the equipment, gear, and fittings of a ship, such as rigging, anchors, and other nautical hardware.
船具店でロープを買った。
I bought rope at the ship chandlery.
この船具はすべて国産です。
All these ship's fittings are domestically produced.
艤装 refers more broadly to the outfitting or rigging of a ship, including the process, while 船具 specifically denotes the physical fittings and gear.
Compound of 船 (ship) and 具 (tool, equipment). The reading せんぐ is the on'yomi, while ふなぐ uses the kun'yomi for 船.