The Ancor Marine Grade 1142 Corrosion Resistant Mini Lamp (part number 521142) is a 12 V marine-grade incandescent lamp, specifically designed for use in marine and RV lighting applications. This miniature bayonet lamp, with its BA15D base, is new old stock (NOS), offering a reliable replacement option for legacy fixtures. It provides 21 candlepower illumination and is ideal for navigation, courtesy, and interior lights. Key features include a heavy-duty glass envelope for enhanced break resistance and a nickel-plated brass base for durability and corrosion resistance. Boasting a rough-service filament and an estimated service life of approximately 1,000 hours, this lamp ensures dependable performance in demanding environments. Specifications include a design voltage of 12.8 V, power rating of 18.4 W, and current draw of 1.44 A, with an overall length of about 2.0 inches.