The Kolos-5D water supply system was used on the Soyuz spacecraft and was designed to provide crew with drinking water under the conditions of space flight. Rare life-sustaining hardware from the Soviet space effort with orange-handled hand pump for creating excess pressure inside the onboard tank and release tap for providing water supply.
As a common drink, cosmonauts use specially prepared water, preserved with silver ions, with a concentration of 0.2 mg / l. Water is stored in special spherical tanks with the capacity of 5 liters and can be supplied to a cosmonaut’s mouth with the special receiving device by the hose, or to individual flasks. It was developed by NPP Zvezda – the original manufacturer of Russian spacesuits and life support systems.
Details: 26″ x 12″ x 9.5″, consisting of a large spherical water tank, which is stamped on the top, “ДРЕНАЖ [Drainage]” and “БОРТОВАЯ ЕМКОСТ [Onboard Capacity] 5-Y2, N 1039, 4ЕРТ К5Д-9220-100-02, OTK K4, ДATA IV-74r,” connects via piping hand-marked as “17KC, 76549730, 402001 N5.” The piece to right with rubber lever is annotated as “17KC-7654-1700, N40004-4,” with front label reading: “2708A, 701104.” Total weight of 16.5 lbs.
An artifact in the Future Ventures’ 🚀 Space Collection.
I also have the 
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