The Vintage U.S. Military Ground Troop Combat Helmet with aType 1 Liner from 1973 typically refers to a M1 steel helmet, which wasstandard issue for U.S. ground troops
1. Outer Shell (Steel Pot):
- Material: Hardened steel
- Color: Olive Drab (OD), often with a matte finish to reduce glare
- Chinstrap: Cotton webbing with metal clips and buckle, often OD green or khaki
- Heat Stamp: Found inside the front brim, indicating batch and date of manufacture
2. Type 1 Liner:
- Material: High-impact plastic or fiberglass (introduced post-WWII)
- Suspension System: Web cradle system inside for comfort and shock absorption
- Chinstraps (optional): Often added for paratroopers or additional stability
- Maker Stamps: Markings often include manufacturers such as Westinghouse, Firestone, or Capac