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WWI U.S. Helmet markings help


gSpartan150
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I recently bought what I believe to be a restored Doughboy helmet, but I'm not sure about the marking.

The markings are:

216

7D

Can someone help me with this?

Thanks in advance,

~Garrett

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Hi Garrett,

Welcome to the GWF. I presume you found the markings you ask about on the underside of the brim. The marking 216 is, I think, the "batch" or "heat" number of the steel. That enables the helmet shell to be identified as coming from a particular batch of steel.

As to the 7D I can't help. It is, I believe, the mark identifying the manufacturer of the shell. There is a list(s) of the various manufactures of M-1917 helmet shells. I have tried to match up the markings on my small collection of M-1917 helmets but none of the initials, unlike the position with British helmets, bear any relation to the known manufacturers. In the circumstances, my guess is that a code system was used and I have never seen in anything I have read details of which manufacturer was allocated any given code(s).

I shall be very interested if anyone can answer your question.

Regards,

Michael.

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Hi Garrett,

Your question caused me to do a little research. I found this site www.worldwar1.com/dbc/helmet17. You will see that, according to the information provided, the other number appears to be a shipment number and does not identify the manufacturer.

Regards,

Michael.

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The marking is 216 ZD.

Close examination of thousands of m1917 helmets has led me to conclude that the US adopted a system for marking helmets based on the one used on British Mark I helmets. In this case, the steel supplier would be identified by the Z, the pressing contractor by the D and the heat of the steel by the 216.

Unfortunately, I haven't figured out which letter corresponds to which pressing company yet. D is one of the more commonly-seen stamps though.

The 216 heat number suggests a manufacture date somewhere between August and November, 1918.

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  • 5 weeks later...

First off, thank-you everybody for the replies!

The "7" may be a Z (just stamped odd), but I'm pretty-sure its a 7. My concern is that the helmet is in good shape, so I'd assume its a reproduction or some-sort of restoration.

Thanks everyone!

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  • 6 years later...

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