ABOVE: A full view of the Шлем-Маска ШМ-1 and carrier.

ABOVE: A close-up of the early style inlet/outlet assembly. This type used wire to affix the fittings to the face piece.

ABOVE: A close-up of the later style inlet/outlet assembly.
This type used crimped metal to attach to the face piece.

ABOVE: A diagram of the face piece pattern (early style).

ABOVE: A close-up of the inside of the ШМ-1.