Model # 522 4X4 SPRG HNG BRS

Internet #204196464

National Hardware 4 in. Spring Hinge

National Hardware

4 in. Spring Hinge

$1266 /each
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Product Overview

Stanley-National Hardware has been a leading manufacturer of hardware for more than a century. Over the course of the last 160-plus years, Stanley-National is a name that has become synonymous with quality, innovation, and customer service. With a wide array of finishes and corner options, there's a Residential Hinge application ideally suited to fit your interior project needs.

  • Hinge is UL approved for fire doors
  • Manufactured with cold-rolled steel
  • Closing speed is adjustable
  • LifeSpan limited lifetime warranty
  • Fits standard hinge cutout
  • Tension is adjustable
  • 5/8 in. radius round corners
  • Brass



Product Depth (in.)
Product Height (in.)
Product Width (in.)
Radius (in.)


Builders Hardware Product Type
Door Hinge
Fasteners included
Brass Finish
Hardware Finish Family
Hinge type
Flush/full inset
Mounting type
Package Quantity
Pin type

Warranty / Certifications

Manufacturer Warranty
LifeSpan Limited Lifetime Warranty

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Customer Questions & Answers

How to install and adjust.

Got two installed on an 8ft door that has 4 hinges to replace older spring hinges on the top and the bottom. They don't want to hold the spring tension. How do I adjust? No instruction slip inside the package.
Asked by: Jo2go
I have 2 adjustable hinges on my door to the garage. The tension needs adjusting. The hinges were put on my house in 1985 when I built the house. There are not any holes to put in a Allen wrench to hold the tension they have now. How do I adjust the tension. Thanks in advance for your help. PS There are 2 adustable hinges top and bottom with another type in the middle on a 8 foot door.
Answered by: Shoe
Date published: 2017-04-21

How many needed for a door with 3 hinges?

We are looking at these for the door coming into the house from the garage, so not a real heavy door. It has 3 hinges on it. Would one of these be enough, or should I put 2?
Asked by: tkcas01
I would recommend two, top and bottom. After almost 19 years in our house, the springs broke in both hinges, several months apart. Even with one spring, the door still closed, but not as well as with two.
Answered by: SquirrelChutney
Date published: 2017-02-15

How to disassemble

How do you dis-assemble and adjust the spring loaded hange?
Asked by: smhiker
Please got to this link for a PDF file with instructions on installations for the V22 Spring Hinge.
Answered by: NationalHardware
Date published: 2017-05-13


Asked by: SONCHO111
The 522 Spring Hinges is solid brass with a non shiny finish
Answered by: NationalHardware
Date published: 2016-05-31
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Customer Reviews

4 in. Spring Hinge is rated 4.3 out of 5 by 10.
Rated 5 out of 5 by from This was a replacement for a filed spring hinge. It fit perfectly, and works properly This was a replacement for a filed spring hinge. It fit perfectly, and works properly
Date published: 2017-04-11
Rated 4 out of 5 by from Installation was easy, fit exact. Still playing with the tension... Installation was easy, fit exact. Still playing with the tension adjustment.
Date published: 2017-04-25
Rated 5 out of 5 by from Spring Hinges Fit and was a perfect replacement for the original worn out ones I replaced!
Date published: 2016-10-04
Rated 5 out of 5 by from Hinges were an exact replacement and the installation was very... Hinges were an exact replacement and the installation was very quick.
Date published: 2017-01-18
Rated 5 out of 5 by from Fit right in place and was easy to adjust. Works great Fit right in place and was easy to adjust. Works great
Date published: 2016-12-27
Rated 1 out of 5 by from Waste of my time This National N184-622 is a 43" Spring Hinge with 5/8" radius corners. The box says detailed installation instructions inside. No instructions were provided. The web site for National had the same problem; no instructions. I installed this after reading about some similar types. I adjusted it two clicks for a 90 degree door opening and it doesn't hold that tension. It snaps loudly and releases the tension when you start to open the door. Probably a manufacturing assembly problem. Guess where it's made? I wonder if I'll see this review soon ?
Date published: 2014-10-31
Rated 5 out of 5 by from Exactly what I needed perfect fit It's kind of funny... the two hinges that were originally on the door between my house and the garage always bugged me, always closing while I tried to bring things into the house. They finally wore out not closing at all. Then the door was never closing and letting cool air escape through the garage (not good) Also this is a fire door which means it is supposed to close on it's own. I replaced them with the new hinges I found on the Home Depot web site and all is back to normal again. They are a safety feature and a requirement. They also keep car fumes from getting into the house. They fit perfectly in the hinge cutouts that were already existing. They even provided screws that were slightly longer which made them fit tight in the existing screw holes which is good because this is a heavy door. The installation took minuets ( do them one at a time) Best price I found for them online and free shipment to Home Depot for pick up with a call the day they arrived. Great service
Date published: 2014-09-30
Rated 3 out of 5 by from Radius was wrong THis product appears to be fine for what it is--however, it was difficult to figure out whether the radius of the hinge was appropriate for my door and it turns out that it is the wrong one, so I will need to return it. Make sure that you know that it is a fit before purchasing!
Date published: 2015-05-27
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