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 6 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
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Free shipping not eligible
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Free shipping not eligible
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Free shipping not eligible
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Free shipping not eligible
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Free shipping not eligible
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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.
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Monday, September 14, 2026
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What Our Customers Say
Honest feedback from customers who purchased from EasyKeys.
Showing 20 most recent reviews
Dennis
Sep 13, 2026
“Very easy process and thankful I could find replacement keys”
Bogdan
Sep 13, 2026
“it was a great experience”
Terrence
Sep 13, 2026
“It was easy to use,and gave great details on the actual product ”
Robert
Sep 13, 2026
“Quick and easy”
Charles
Sep 13, 2026
“First time very easy .I'm new at this thank you”
Michael
Sep 12, 2026
“Had exactly what I was looking for”
Peter
Sep 12, 2026
“It is difficult to scroll through selections when only 1/3 of the page is visible.”
Floyd
Sep 12, 2026
“This was so quick and so easy, thanks!”
Barbara
Sep 12, 2026
“I am so happy to have found your website. I have an elder friend who was gifted a Steelcase filing cabinet with no keys. He accidentally pushed the lock in after putting files in. I am in hopes that one of these keys work. ”
Dave
Sep 12, 2026
“Quick & easy, tganks”
James
Sep 12, 2026
“Simple ordering process. Requested USPS Priority shipping. We’ll see how quickly it arrives.”
Leonard
Sep 12, 2026
“Quick and easy to do.”
Mike
Sep 12, 2026
“It was easy and good”
Robert
Sep 12, 2026
“very easy to use”
Bill
Sep 12, 2026
“hoping its the right key !”
Nick
Sep 11, 2026
“Nice and easy”
Lisa
Sep 11, 2026
“Super easy!”
Lillian
Sep 11, 2026
“Very simple to order the keys you need. I have been using Easy Keys for a few years, and have had no issues with the keys I have ordered.”
Doug
Sep 11, 2026
“Easy to use and they had everything I needed ”
Eric
Sep 10, 2026
“Good easy place to order from. Hopefully I sent what was needed and the extra picture I sent of the lock will lock in the correct package for delivery. Thank you ”