A large metallic or nonmetallic closure used to close the opening in a hangar, building, warehouse, and the like to exclude light and wind, maintain reasonable weather tightness, and provide auxiliary access to areas outside the area proper. It is comprised of horizontal interlocking slats and guided at the ends by channel tracks. The item may be designed for rolling on a spring counterbalanced drum or be laterally guided by channel tracks. It may be power or hand operated and may include a hood or cover for the roller drum mechanism.
NSN 6240-00-617-1719
NSN 5945-01-033-7947
NSN 4140-00-612-9727
NSN 6110-00-038-0074
NSN 5998-01-211-4307
NSN 6320-00-809-5744
NSN 6610-01-010-3159
NSN 6240-01-453-7614
NSN 6145-01-392-2208
NSN 5855-00-110-9341
NSN 5965-01-125-2312
NSN 5905-01-481-0127