M1 helmet dating
Nylon, clip-on, chinstraps were introduced in the U. military in the 1980s Many soldiers wore the webbing chinstraps unfastened or looped around the back of the helmet and clipped together.This practice arose for two reasons: First, because hand-to-hand combat was anticipated, and an enemy could be expected to attack from behind, reach over the helmet, grab its visor, and pull.The depth of the helmet is 7 inches (180 mm), the width is 9.5 inches (240 mm), and length is 11 inches (280 mm).The weight of a World War II–era M1 is approximately 2.85 pounds (1.29 kg), including the liner and chinstrap.The suspension is made from strips of webbing material stretching around and across the inside of the liner.
On each side of the helmet there are stainless steel loops for the chinstrap.A second US production run of approximately one million helmets was made in 1966–1967.These Vietnam War–era helmets were different from the World War II/Korean War version by having an improved chinstrap, which offered increased ergonomics and ballistic protection.This swivel feature was adopted in 1943 to address the problem that when earlier helmets were dropped, the loops were more susceptible to breaking off.Early paratrooper shells feature fixed, D-shaped loops.
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For over forty years, the M1 was standard issue for the U. The M1 helmet is extremely popular with militaria collectors, and helmets from the World War II period are generally more valuable than later models.