Letter N · 334223

Application

The IMO 332–338 series covers dangerous goods signs, combined signs, direction signs, personal protection, fire-fighting, hazard warnings and prohibition signs, plus number and letter markers used across decks, engine rooms, cargo holds and passageways.

Letter N signs are supplied as long-afterglow photoluminescent self-adhesive stickers that stay visible after power loss or in smoke-filled spaces. Standard sizes follow ISO 7010 / GB 16557-2023; custom sizes, bilingual layouts and grouped sets are available on request.