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Internet # 202639115

Model # S 4315

5-Pin Tumbler Diecast Nickel-Plated Mailbox Lock, Florence

  • Nickel-plated mailbox lock provides safety against mail theft
  • 5-pin tumbler prevents lock from opening without the correct key
  • Cam down locks offer extra security
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Product Details

About This Product

The Prime-Line S 4315 Diecast 5 Pin NA-14 Keyway Mailbox Lock and Key Set makes it easy to secure your mail. It is designed for use with mailboxes manufactured by Florence and C-8715. The mailbox key set comes complete with a 5 pin mailbox lock, 1 cam, and 2 keys. These multi-cam assortments eliminate the need for individual locks. The mailbox key lock set is constructed of diecast, brass, steel, and stamped steel materials. It features a spring steel locking clip. The steel components come finished in a corrosion-resistant zinc-plated finish. The cylinder face comes in a zinc-plated finish. The lock is easy to install with only a few simple tools. Please refer to the line art drawing for dimensions and compare with your needs before purchasing.


  • REPLACEMENT LOCK – This multipurpose Prime-Line replacement mailbox lock is an easy fix and can easily replace lost or broken mailbox locks. Features 1 cam and an NA-14 key
  • WORKS FOR SEVERAL BRANDS – This replacement mailbox lock works with several brands of mailboxes that are residential, cluster mailboxes or community mailboxes
  • INCLUDES – Replacement lock kit includes a total of 5 zinc-plated steel cams, brass pins, a spring steel locking clip and 2 keys.
  • LOCKING SECURITY FEATURE – This lock has a security feature that prevents the key from being removed when in the unlocked position, which prevents forgetting the key, and ensuring the mailbox is locked every time it’s used.
  • NOTE – This mailbox lock unlocks by turning the included keys in a in the clockwise direction and a retaining clip
  • Installation and replacement is fast and easy
  • This mailbox lock includes five zinc-plated steel cams and two keys
  • For further dimensional information, please see the line drawing
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Product Information

Internet # 202639115

Model # S 4315


Dimensions: H 4.875 in, W 3.813 in, D 1.25 in


Product Depth (in.)

1.25 in

Product Height (in.)

4.875 in

Product Width (in.)

3.813 in


Accessory Type



Corrosion Resistant

Finish Family

Brushed Nickel


Assembly Hardware

Product Weight (lb.)

0.135 lb



Warranty / Certifications

Manufacturer Warranty

Goods are warranted against defects in manufacturing for 1 year. In no case is Prime-Line responsible for user related damage or damage incurred during installation. Warranty is void if products are subjected to abnormal conditions, misapplication or abuse.

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Customer Reviews

5 out of 5

  • 5 out of 3 reviews
  • 100% recommend this product
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Showing 1-3 of 3 reviews
worked like a charm, unbeatable price....
worked like a charm, unbeatable price.
  • Verified Purchase
  • Verified Purchase
  • Recommended
The locks fit nice nicely. Going to buy 4...
The locks fit nice nicely. Going to buy 4 more sets.
  • Verified Purchase
Showing 1-3 of 3 reviews