WWII-Era M1 Helmets: A Beginner’s Guide

Helmet Liner Maker Markings

Dating the US M1. Let's start dating ww2 m1 helmets some basic rules: In both cases the straps are stitched to the loops. The use of clasps is postwar. Under the brim there is a number indicating the production lot. If this number is between 0 and then we have a WW2 era shell. This is true for McCord Radiator manufactured shells, however all Dafing shells have been produced during WW2.

Wartime shells are a little taller, in a darker shade of green. Since the production began, until the colour of the straps attached to the shell was the olive hrlmets 3, frommostly datinng Schlueters, the shells started to be fitted with straps colour olive drab 7. However straps OD 3 can be found in rear seam late war examples too. Postwar helmets have attached straps colour OD 7.

Mid war helmets were fitted with blackend steel buckle with simplified design. Late war helmets have a blackened brass buckle with simplified design. This is true for the liner as well. First of all the producers: All other high pressure liner: Both were produced from April to November The straps and the A washers: All postwar chinstraps are made of blackened steel, are marked DOT on the rivets and usually bear a anchor under the flip tab of dating ww2 m1 helmets buckle.

Now you should be able to understand at a glance what kind of helmet you are observing, at least if it is a WW2 era M1 or later. Try looking at the pics underneath and guess what it is: Both were produced from April to November Below: Dating the US M1 A basic guide.

Original WW2 US M1 Helmets