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 5960-01-390-7236
NSN 5935-00-802-1141
NSN 5930-01-199-3820
NSN 5855-01-270-6847
NSN 5925-00-488-8030
NSN 6110-01-021-4070
NSN 5950-00-321-8419
NSN 5905-01-408-0284
NSN 5945-01-506-3707
NSN 2925-01-426-3410
NSN 5930-00-162-1594
NSN 7035-01-141-8076