Seven flexible couplings designed to join air duct tubing on the Space Shuttle, all marked with part numbers, "ME276-0024-0013, 70628713202-13 Rev. M," and production dates of 1992. Made of two layers of silicone impregnated fiberglass, each coupling measures 4.25" in diameter and 2.75" tall. In overall fine condition.
Provenance: The Spaceflight America Museum and Science Center in Prince Frederick, MD.
