Apollo Saturn V Spacecraft-Lunar Module Adapter (SLA) Spring Thruster, measuring 26″ long and 2.5″ in diameter, marked on the body with part numbers: "Assem. V34-590301, SN 06361 A015737, NC697145, Mfg. Date 1 May 1970," and stamped with other part numbers on the top and bottom. An inspection tag dated 1970 is attached. The Spring Thruster was used to separate and jettison the four panels housing the Lunar Module and also comprised the Saturn V rocket's interconnection to the Command Service Module.