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 6240-01-535-6520
NSN 6650-00-451-1088
NSN 5965-00-529-0602
NSN 7035-01-178-5631
NSN 5835-01-426-6573
NSN 5835-01-202-9673
NSN 5925-00-898-5234
NSN 6105-01-211-7174
NSN 6645-01-420-2417
NSN 5950-01-162-7174
NSN 6130-00-805-3802
NSN 6110-01-224-7502