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 5945-01-537-0202
NSN 6220-01-588-3002
NSN 6620-00-586-6460
NSN 5999-01-099-4672
NSN 5925-00-927-6969
NSN 5975-01-007-4008
NSN 5925-01-530-7738
NSN 5950-01-394-1565
NSN 6110-01-519-2636
NSN 6135-01-282-4326
NSN 5915-01-027-0800
NSN 6650-01-042-9360