Federal supply schedule FSC group. 81. Containers, packaging, and packing supplies (formerly class 39), FSC class 8115, Boxes, cartons, and crates, FSC class 8135, Packaging and packing bulk materials, GSA region 3, District of Columbia, Maryland, Virginia, and West Virginia, Apr. 1-Sept. 30, 1959; [prepared by GSA, region 3].