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WWI US Army Experimental Helmet Model 5A -
This is a fine example of a US WWI prototype/experimental helmet. The shape of the helmet resembles a medieval crusader.  Combining sharp angles with curves. manufactured by Hale and Kilburn of Philadelphia. It is not known how many of these helmets were produced.

A few things to note about this helmet include:

  1. The liner is the typical "Brody" helmet liner of WWI.
  2. The chin strap is typical to the pre-WWII used by the US Army.
  3. The liner is secured to the helmet using a metal ring..
  4. The liner has a separate "Crown" component which is attached to the top of the helmet with a rivet.
  5. The crown is attached to the metal structure using 4 brown snaps.

This page is a recognition and identification guide for US hats and helmets. Multiple detailed photos of a specific sample are provided. Descriptions point out clearly defined points that should be noted.

One of the most commonly asked questions is "How much is my US headgear worth?". A price guide is included here to address this question. The value of the hats and helmets is reviewed over a period of several years. A trend can be observed. The present worth of US militaria in the collector's market is illustrated.

This service is provided free of charge to the visitor/enthusiast courtesy of MilitaryItems.com, a company dedicated to the preservation of military history and to providing quality military antiques and collectibles to museums, institutions and the general public.

  1. FAQ's
  2. Experimental helmet anatomy
  3. Identifying fakes and reproductions
  4. Stamps and manufacturing markings
  5. Construction materials
  6. Pins, hinges and other
  7. Perspective view
  8. Purchasing WWI US Headgear

This is a view of the inside of the helmet. The liner consists of three rounded leather flaps pointing towards the center. A string would be employed to secure the flaps together. It is missing from this helmet.

The middle of the helmet has a pad known as the crown. The chin straps are the same as those used in the WWI helmets. made of canvis with metal ends.

The edges of the helmet are rolled in to eliminate any sharp edges that could cut the soldier.

US headgear in general is currently being reproduced. It is becoming more difficult to be able to tell the fake ones from the real ones because the quality of the reproductions is improving. The collector must become familiarized with the construction style and materials employed in the manufacturing of this headgear. Attention to the details is critical in order to be able to determine the authenticity of the collectible.

If you have an interest is seeing other American military headgear, you can do so by going to our US Military headgear identification guide. Where we cover Army, Navy, Army Air Force and other organizations.


The value for the US WWI helmets and other military antiques and collectibles is provided as a means to educate the collector community and individuals who have a general interest on the field. The following is an estimated value. Prices may vary in every state and every country. This service is provided courtesy of MilitaryItems.com . The source for military antiques and collectibles in the web.

Year 2016 2017 2018 2019 2020 2021 2022 2023 2024 2025
Value $2,000.00 $0.00 $0.00 $0.00 $0.00
Availability Very rare Very rare Very rare Very rare Very rare
Invest Grade A+ A+ A+ A+ A+

While the item featured here is not for sale, similar items like it are available for purchase in our website MilitaryItems.com

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