CompX National Postal Lock For Non-USPS Delivered Sites
Sku: C9400
Postal Lock For Non-USPS Delivered Sites Details
Postal Lock For Non-USPS Delivered Sites. NOTE: Extra keys may only be purchased with the purchase of a new lock.
Price: $22.27
Only 11 left in stock.
Bulk Pricing
2 units
$20.27 ea
5 units
$18.27 ea
10 units
$16.27 ea
SKU: C9400
Free shipping not eligible
Shipping charges will apply to this item.
Extra Keys $7.17 each
To add extra keys, C9400 must be in the cart.
SKU: C9400
Product Description
- APPLICATION – Interior, pedestal-mounted or in-wall boxes. Screw mounted. Hardware not included. Commercial equivalent of USPS 306D.
- OPERATION – 90° counter-clockwise cam turn to open. Key removable in locked position only.
- KEYING – Available keyed differently only (4,000 changes). Key blank part number D4400.
- PACKAGING – Supplied with cam assembled and three keys.
Similar part numbers commonly used for this lock are:
Wind Danbury Ct 10277
RECOMMENDED PRODUCTS
Free shipping not eligible
Shipping charges will apply to this item.
Free shipping not eligible
Shipping charges will apply to this item.
Free shipping not eligible
Shipping charges will apply to this item.
Free shipping not eligible
Shipping charges will apply to this item.
Free shipping not eligible
Shipping charges will apply to this item.
Free shipping not eligible
Shipping charges will apply to this item.
Free shipping not eligible
Shipping charges will apply to this item.
Free shipping not eligible
Shipping charges will apply to this item.
Free shipping not eligible
Shipping charges will apply to this item.
Free shipping not eligible
Shipping charges will apply to this item.
Added To Cart!
Want it delivered Monday, July 27, 2026? Order by 5pm
EST
Friday, July 24, 2026
choose FedEx Overnight shipping.
My Cart
There are no items in your cart.
Spend $35+ on qualifying items to unlock FREE U.S. domestic shipping.
Orders of $35 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)
New Products
Graphite Lubricant
Magnifying Card Light
Customer Reviews
What Our Customers Say
Honest feedback from customers who purchased from EasyKeys.
Showing 20 most recent reviews
David
Jul 23, 2026
“Awesome!”
David
Jul 23, 2026
“Thank you, it was fast and easy.”
Robin
Jul 23, 2026
“Ordering was easy. I'm thrilled that you all asked for photos. I won't know exactly how well it went until my key arrives, though. Fingers crossed! ”
Karen
Jul 23, 2026
“These keys are not even close to what I ordered. I need to return them. Help please.”
Kat
Jul 23, 2026
“Easy”
Anthony
Jul 23, 2026
“fast”
alan
Jul 23, 2026
“Shipping is extremely expensive ”
Lisa
Jul 23, 2026
“Easy to navigate, find what I needed & order.”
Lee
Jul 23, 2026
“Thanks easy to get the order done. ”
Ronald
Jul 23, 2026
“The order process went very smoothly.”
chris
Jul 22, 2026
“good
”
Robert
Jul 22, 2026
“Easy”
Nancy
Jul 22, 2026
“The website is very user friendly. I was able to find the product we needed.”
Felix
Jul 22, 2026
“Easy to use ”
David
Jul 21, 2026
“no I think it was spot on no hurry no worries ”
Craig
Jul 21, 2026
“Everything good”
Katherine
Jul 21, 2026
“Super easy - half the price of the local lock store! Thanks a bunch!”
Walna
Jul 21, 2026
“Great and user friendly”
Kevin
Jul 21, 2026
“Great service and the Herman Miller keys work perfectly.”
Richard
Jul 21, 2026
“very
Very easy and very quick.Extremely satisfied
”