CompX National Pin Tumbler Mailbox Lock
Sku: C9100 / C9200
Select Mailbox Locks:
Pin Tumbler Mailbox Lock - Clockwise Operation Details
Pin Tumbler Mailbox Lock - Clockwise Operation. NOTE: Extra keys may only be purchased with the purchase of a new lock.
Price: $22.27
54 in Stock.
Bulk Pricing
2 units
$20.27 ea
5 units
$18.27 ea
10 units
$16.27 ea
SKU: C9100
Extra Keys $7.17 each
To add extra keys, C9100 must be in the cart.
SKU: C9100 / C9200
Product Description
- APPLICATION – Exterior pedestal-mounted neighborhood boxes. Has keyway dust shutter for lock protection. Clip mounted. C9100 & C9200 are the only mailbox locks approved by USPS for 4C (CBU) mailboxes.
- OPERATION – C9100 operates clockwise. C9200 operates counter clockwise. Key removable in locked position only.
- KEYING – Available keyed differently only (2,000 changes).
- PACKAGING – Includes: a spring clip, mounting nut and (3) keys.
C9100 Instruction Sheet
C9200 Instruction Sheet
You may also like these Hook Cams
CompX National
C7120
Bulk Pricing
2 units
$12.07 ea
5 units
$11.07 ea
10 units
$10.07 ea
15
in stock
$13.07
Out of Stock
CompX National
C9100-C9200-EXTRA-KEY
Extra Cut Keys for C9100 & C9200 Mailbox Lock Packages - CompX National D4301 Key Blank
Duplicate Keys for C9100 & C9200 Mailbox Lock Packages.
0
in stock
.More can be ordered. Arriving in 1-4 weeks.
$7.17
RECOMMENDED PRODUCTS
Customer Reviews
What Our Customers Say
Honest feedback from customers who purchased from EasyKeys.
Showing 20 most recent reviews
Al
Apr 12, 2026
“Great site and super price. ”
Henry
Apr 12, 2026
“Great”
Beverly
Apr 11, 2026
“Ordering was great.”
Lawrence
Apr 11, 2026
“Easy ”
Deborah
Apr 11, 2026
“Excellent”
Glen
Apr 11, 2026
“Very easy to use and make an order.”
Rich
Apr 10, 2026
“easy to navigate website”
Valentine
Apr 10, 2026
“Easy to order online.”
Peter
Apr 10, 2026
“Easy as pie - as always!!”
DOUG
Apr 09, 2026
“So far, so good. I appreciate the photo check function.”
Sean
Apr 09, 2026
“Very good service, easy and efficient!”
Wendy
Apr 09, 2026
“Easy to use and order. Will add to feedback when I receive my keys.”
corinne
Apr 09, 2026
“Very fast, easy and organized!”
Bethany
Apr 09, 2026
“wonderful
”
Ronny
Apr 09, 2026
“Bethany was very knowledgeable and helpful”
James
Apr 09, 2026
“Easy to use. Found what I needed no problem. ”
Quenten
Apr 09, 2026
“Very easy and quick.”
Randall
Apr 09, 2026
“Key did not work”
Micheal
Apr 08, 2026
“Found what I belive to be the right key for my gun safe.”
Tyler
Apr 08, 2026
“I ordered a key for my safe a few months ago but didn’t know if it was going to work or not. I didn’t get the spare key for the lower price. That’s my fault and I wish I would’ve bought it then bc I’m pleased with the new key it works great. Thank you. ”
Added To Cart!
Want it delivered Tuesday, April 14, 2026? Order by 5pm
EST
Monday, April 13, 2026
choose FedEx Overnight shipping.
My Cart
There are no items in your cart.
Spend $25 and you may receive FREE USPS GROUND ADVANTAGE shipping!
Orders of $25 or more of eligible items may qualify for FREE Shipping.
We provide tracking & delivery confirmations on all USPS & FedEx shipments. View Terms
Email &
Live
Chat Service
8:30 AM - 5:00 PM ET M - F
Use LiveChat & Email
(real humans)