Prime-Line Nickel Hardware Mailbox lock

Restore mailbox security with this replacement 5-pin mailbox lock designed for residential, cluster, and community mailbox applications. Featuring an ILCO 51046A (NA14) keyway and 90-degree counterclockwise rotation, this lock provides a dependable solution for replacing lost, damaged, or worn mailbox locks. The complete lock set includes a lock cylinder, five interchangeable cams, a spring steel retaining clip, and two matching keys, making it suitable for a variety of mailbox configurations. Constructed from durable diecast, brass, steel, and stamped steel components, the lock features corrosion-resistant zinc-plated finishes for long-lasting performance and reliable operation. A key-retaining feature prevents the key from being removed while the lock is unlocked, helping ensure the mailbox remains secured after use. Designed for easy installation with a few basic hand tools, this replacement lock offers a convenient DIY repair solution. Before purchasing, compare your existing lock dimensions, keyway, cam style, and rotation direction to ensure proper fit and operation.