Prime-Line Zinc Hardware Mailbox lock

Secure your mail quickly and easily with Prime-Line’s S 4573 5-Pin Mailbox Lock and Key Set. Designed as a versatile replacement solution, this lock fits most standard residential, cluster, and community mailboxes, making it ideal for replacing lost, damaged, or worn-out locks. With multiple cam options included, this set eliminates the hassle of finding the exact replacement part, offering flexibility for a wide range of mailbox styles. Built for durability and long-term performance, the lock is constructed from a combination of diecast, brass, steel, and stamped steel components. The steel parts feature a corrosion-resistant zinc-plated finish, while the cylinder face is finished in nickel plating for added protection and a clean, professional appearance. This strong construction helps ensure reliable mailbox security in outdoor conditions. The 5-pin tumbler design enhances security by helping protect against unauthorized access. A built-in safety feature prevents the key from being removed when the lock is in the unlocked position, reducing the risk of accidentally leaving your mailbox unsecured. Installation is simple and can be completed with basic tools. The set includes one lock, five different cams, a spring steel locking clip, a hex securing nut, and two keys (NA-14 keyway), providing everything needed for a quick and convenient installation. Always review the line drawing to confirm compatibility with your mailbox before purchase.