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3 Pack L-1172C National Mailbox Locks Replacement C9100 Mailbox Key Lock with 18 Keys and 30 Shaped Locking Tabs Nickel Finish Mailbox Replacement for USPS Mailbox Key Lock
✅ In stock
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Grade
Analysis Confidence
13%
⚠️ Price may have changed. Last updated 24+ hours ago — confirm on Amazon.
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Price verified Sep 24, 2026 10:08 PM · Prices & availability subject to change
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📝 Product Overview
🏪 Sold by
frontenterec
📦 Fulfillment
Fulfilled by Amazon
🚚 Shipping
Free Shipping
Product Details
✓Security: This high-quality lockset is designed to meet U.S. Postal Service standards, ensuring the safety of your mail and packages. Immediately upgrade your mailbox's security by replacing your mailbox lock, eliminating the worry of losing access to important mail
✓High Quality: The replacement parts are made of high-quality zinc alloy. The lock cylinder is nickel-plated, and the lock plate is zinc-plated for corrosion resistance, ensuring long-term indoor and outdoor use. This makes it an ideal replacement for your old mailbox lock
✓Includes: 3 packs of mailbox locks, including 3 lock cylinders, 9 keys (three keys each), 15 shaped locking tabs, and 3 nuts. Each lock set is keyed differently and will not pass through other locks
✓Compatibility: The versatile design of the mailbox lock ensures compatibility with a variety of mailbox models
✓Easy to Replace : If you need to replace your mailbox lock, our product is the perfect solution. It is designed for easy installation and each pack provides everything you need for a quick and easy upgrade. Combining convenience and reliability, installing a mailbox lock and key replacement is as simple as removing the old lock and inserting our product. It comes with all the necessary hardware and detailed instructions (see photos)
⚙️ Specifications
Brand
Stranthother
Recommended Uses For Product
Mailbox Lock Replacement
Number of Pieces
30
Included Components
9 keys, 15 shaped locking tabs, 3 nuts
Number of Items
3
Brand Name
Stranthother
Model Number
L-1172C
Manufacturer
Stranthother
Number of Packs
3
Unit Count
3 Count
Manufacturer Part Number
TTAG323-3BK|FAG
