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 6610-00-771-6074
NSN 5835-01-426-6573
NSN 5996-01-149-2434
NSN 6135-00-519-1325
NSN 5935-01-474-4404
NSN 6150-01-495-1207
NSN 6685-01-418-0925
NSN 5920-00-513-4546
NSN 6130-00-481-5993
NSN 5965-00-949-1599
NSN 5920-01-212-9504
NSN 5915-00-165-2738