SK-1 spacesuit

SK-1 is an initialism of "Skafandr Kosmicheskiy" # 1 (Скафандр Космический = "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.

Specifications
Allowed ejections up to 8 km.


 * Name: SK-1/SK-2 Spacesuit
 * Manufacturer: NPP Zvezda
 * Missions: Vostok 1 to Vostok 6
 * Function: Intra-vehicular activity (IVA) and Ejection
 * Operating Pressure: 270 to 300 hPa
 * Suit Weight: 20 kg
 * Primary Life Support: Vehicle Provided