DDD-S-251D, FEDERAL SPECIFICATION, SHADE, ROLLER, WINDOW; ROLLER, SLAT, CORD, AND ACCESSORIES (13 APR 1966)

DDD-S-251D, FEDERAL SPECIFICATION, SHADE, ROLLER, WINDOW; ROLLER, SLAT, CORD, AND ACCESSORIES (13 APR 1966)., This specification covers one type of cloth window shade in stock widths or special widths, complete with all accessories.