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SK-1 spacesuit

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SK-1 spacesuit

SK-1 space suit

SK-1 is an initialism of "Skafandr Kosmicheskiy" # 1 (Скафандр Космический = "spacesuit" or "diving suit for space") is a spacesuit that was developed specially for Yuri Gagarin. As such, it is the first spacesuit ever used. After his successful flight on the Vostok 1 spacecraft, spacesuits of the SK series were used for space flights of other cosmonauts on Vostok spacecraft, in which the cosmonauts would eject and land separately from module.

The SK-1 was used from 1961-1963.

SK-2 (CK-2)

Almost exactly the same as the SK-1 but designed for a woman, it was on June 16 through 19th in 1963 on Vostok 6.


Allowed ejections up to 8 km (26,000 ft).[1]

Name: SK-1/SK-2 Spacesuit[1]

Manufacturer: NPP Zvezda

Missions: Vostok 1 to Vostok 6

Function: Intra-vehicular activity (IVA) and Ejection[1]

Operating Pressure: 3.9 psi (270 hPa) to 4.4 psi (300 hPa)[1]

Suit Weight: 44 lb (20 kg)[1]

Primary Life Support: Vehicle Provided


  1. ^ a b c d e

Astronautix Sokol SK-1

External links

  • Vita Germetika : A Brief History of Creating and Development of Soviet-Russian space suits - in Russian
  • Museum of NPP Zvezda : photo of SK#1 space suit
  • Memorial Museum of Astronautics in Moscow SK-1 Suit Picture (34 & 35)
  • Zvezda History(Russian) Eng

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