PPP-B-638B, FEDERAL SPECIFICATION: BOX, CAPS, LINERS AND SLEEVES, FIBERBOARD, KNOCKED DOWN, FLAT, PACKING OF (30 JUN 1975) [NO S/S DOCUMENT]

PPP-B-638B, FEDERAL SPECIFICATION: BOX, CAPS, LINERS AND SLEEVES, FIBERBOARD, KNOCKED DOWN, FLAT, PACKING OF (30 JUN 1975) [NO S/S DOCUMENT]., This specification covers three levels of packing and the marking for shipment and storage of all styles, types, classes, varieties, grades, and sizes of fiberboard boxes, caps, liners, and sleeves, knocked down flat.