Federal supply schedule, FSC group. 26. Tires and tubes, pt. 3, (formerly class 8, pt. 3), FSC class 2640, Tire rebuilding and tire and tube repair materials, OSA region 3, District of Columbia, and Maryland, Virginia, and West Virginia, May 1, 1959-Apr. 30, 1960; prepared by GSA Region 3, Washington 25, D.C.