Noun
Stahlhelm (plural Stahlhelms or Stahlhelme)
A distinctive steel helmet fielded by the German Reich and some other nations during the World Wars, and by some modern-day bikers.
Synonyms: M1935 helmet, (colloquial) Nazi helmet
A German Stahlhelm
World War One German Army -Stephen Bull, page 71-73 Beginning in 1916, the Pickelhaube was slowly replaced by a new German steel helmet (the Stahlhelm ) intended to offer greater head protection from shell fragments. Source: Internet
Nearly all of them, including: the Römer Group, Robby Group, Solf Circle, Schwarze Reichswehr, the Party of the Radical Middle Class, Jungdeutscher Orden, Schwarze Front and Stahlhelm were either discovered or infiltrated by the Gestapo. Source: Internet
In October 1916 the colour was changed to be feldgrau (field grey), although by that date the plain metal Stahlhelm was standard issue for most troops. Source: Internet