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 5985-01-281-7333
NSN 5895-00-457-0571
NSN 6105-01-528-8027
NSN 6220-00-289-9915
NSN 5945-00-079-9274
NSN 6105-01-418-6951
NSN 6110-01-545-7082
NSN 6220-01-586-9338
NSN 5965-01-392-1761
NSN 5920-01-549-4070
NSN 6145-01-197-8488
NSN 5985-01-285-0589