Prime-Line Mailbox Lock, 5 Cam, Nickel Finish, Counter-Clockwise, 90 Degree, MP4140

Restore mailbox security with this replacement 5-pin mailbox lock designed for use with American Device, Auth-Florence, Bommer, Miami-Carey, and other compatible residential, cluster, and community mailbox systems. This complete lock set includes an ILCO 1003M keyway lock cylinder, five interchangeable cams, two keys, a retaining hex nut, and a retaining clip, providing flexibility for a variety of mailbox applications. Constructed from durable diecast, brass, steel, and stamped steel components, the lock features corrosion-resistant zinc-plated steel parts and a nickel-plated cylinder face for long-lasting performance and a professional appearance. The lock operates with a 90-degree counterclockwise rotation and includes a key-retaining feature that prevents the key from being removed while unlocked, helping ensure the mailbox remains secured after use. Easy to install with basic hand tools, this replacement lock is an ideal DIY solution for replacing lost, damaged, or worn mailbox locks. Before purchasing, compare your existing lock dimensions, keyway, cam style, and rotation direction to ensure proper fit and operation.

For additional information on this product, please see the Product Documents section for all downloadable user manuals, installation guides, brochures and warranty statements.