Embedded Files
Saturn V J2 Rocket Engine Hydrogen Seal
Saturn V J2 Rocket Engine Hydrogen Seal
Date acquired 15th September 2019
Date acquired 15th September 2019
Acquired from Don Willis-Lunar Legacies
Acquired from Don Willis-Lunar Legacies
Collection # -TSM0031
Collection # -TSM0031
The J-2 Rocket engine was developed by Rocketdyne, which at the time was a division of North American Aviation (NAA). Five J-2 engines were used on the Saturn V's S-II second stage, and one J-2 was used on the S-IVB upper stage used on both the Saturn IB and Saturn V. The J-2 burned cryogenic liquid hydrogen (LH2) and liquid oxygen (LOX) propellants, with each engine producing 1,033.1 kN (232,250 lbf) of thrust in vacuum. The engine was unique for its time as it had a restart capability. After the single engine on the S-IVB upper stage had placed itself, and the still attached Apollo spacecraft into an earth parking orbit, it shut down whilst the crew and ground support staff checked out the systems of the spacecraft. When all was given a bill of health it was restarted and the resultant burn propelled itself and attached cargo out of orbit and onwards towards the moon.
The J-2 Rocket engine was developed by Rocketdyne, which at the time was a division of North American Aviation (NAA). Five J-2 engines were used on the Saturn V's S-II second stage, and one J-2 was used on the S-IVB upper stage used on both the Saturn IB and Saturn V. The J-2 burned cryogenic liquid hydrogen (LH2) and liquid oxygen (LOX) propellants, with each engine producing 1,033.1 kN (232,250 lbf) of thrust in vacuum. The engine was unique for its time as it had a restart capability. After the single engine on the S-IVB upper stage had placed itself, and the still attached Apollo spacecraft into an earth parking orbit, it shut down whilst the crew and ground support staff checked out the systems of the spacecraft. When all was given a bill of health it was restarted and the resultant burn propelled itself and attached cargo out of orbit and onwards towards the moon.
The seal is an unused spare part and is still sealed in its sterile packing. The identification label bears the triangular NASA quality control marking, and inspection stamps. A date of cleaning is also visible on the label, June 28th 1966
The seal is an unused spare part and is still sealed in its sterile packing. The identification label bears the triangular NASA quality control marking, and inspection stamps. A date of cleaning is also visible on the label, June 28th 1966
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