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SSME Gimbal Bolt

Mission: STS-95 Discovery   Crew: Curtis L. Brown
Steven W. Lindsey
Scott E. Parazynski
Stephen K. Robinson
Pedro Duque
Chiaki Mukai
John H. Glenn
Launch: October 29, 1998  
Landing: November 7, 1998  
Duration: 8 days, 21 hours  
Comment: STS-95 marked John Glenn's return to flight after
his 1962 record-setting Mercury-Atlas 6 mission

This bolt was part of Discovery's #2 main engine (SSME) gimbal bearing, which acts as the thrust interface between the engine and orbiter. It could no longer be used because the bolt exceeded its torque cycle. It was removed in Feb. 1999 while Discovery was being serviced post-flight inside Kennedy Space Center's Orbital Processing Facility No. 1 (OPF-1). This bolt was one of eight that was in the engine.

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