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Issued in the early '60, it is based on a internal leather helmet
and an external, rigid aluminium shell. The shell is padded and has a notch to mate with the single ridge of the leather helmet to hold both in place.
The KM-32 oxygen mask is held in place by adjustable straps, a metal bracket on top, and a press stud at the bottom.
A throat microphone is worn with this specimen. Produced in different versions, it was used on almost all Soviet aircraft and helicopters of the era.
The ZSh-3M uses an occipital bladder which fits against the back of the head of the pilot, pressurized by the oxygen mask system.
This system tightens the pilot's face against the oxygen mask
automatically as the "G" force increases.
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