Used Space Shuttle Solid Rocket Booster (SRB) separation nut from Launch Complex 39, measuring approximately 5.5 x 3.25 x 4, marked on the side: "Part Name: Separation Nut, MSFC Part No. 10309-0001-101, Manufacturer Lot No AAA, Serial Number 00055, Assembly Date Mo 6 Yr 79." In very good condition, with wear and rusting. From the collection of aerospace memorabilia specialist Ken Havekotte. A very early piece from the Shuttle program.
