KM-16A (ShL-50/61) Replacement of the earlier KM-15 mask and used as simple low-altitude demand mask; based closely on the WWII German Draeger 10-6701 mask. The KM-16 type mask is still in limited use today with helicopter pilots. Early original model used a bakelite type plastic connector of reddish brown or black color. Demand type mask. Available in black (later) and green (early) colors, but not often found today, the mask is immediately identifiable by its lack of a forehead wire attachment and its unique single elasticised fabric strap (with hook loop) on each side. The Cyrillic letter A is molded within a circle on its outer, frontal aspect. A small rubber bite black is found inside the mask that its wearer could grip in his teeth for mask enhanced retention during high-G maneuvers. A simple rubber inlet and exhalation check-valve system is used to direct airflow within the facepiece.
KM-16H (ShL-50/61, GSh-3) Modification of the original KM-16 mask. Late model readily identified by anodised blue aluminum connector. Demand type mask. The principal improvements consist of a “Y” configured green nylon strap on each side of the mask (that attach to lateral clips on the leather flying helmet) and a forehead attachment point of either a thin-diameter wire and clasp or stamped metal hook. Chinese version is the YM-6503 (green or black rubber). Otherwise similar to the earlier KM-16A model in most all aspects. Chamois is used to line the facepiece for enhanced sweat-seal. (Lateral clasp attachment hooks issued with this mask may be exchanged quickly and easily for earlier loop-hook types).
