Flown segment of Reusable Solid Rocket Motor (RSRM) nozzle throat from STS-77, measuring 14″ x 3″x 1″, mounted on a descriptive plaque from the Thiokol Wasatch Division, reading: "NASA STS-77 RSRM Flown Nozzle Throat Segment: This nozzle throat ring carbon phenolic cross-section was cut from one of Thiokol's reusable solid rocket motor nozzles that propelled Space Shuttle Endeavour into orbit during the STS-77 mission on 19 May 1996." The plaque measures 12 x 16. In fine condition.
