A barrier including frame and still used wherever watertight or airtight construction is required. May also be used where local conditions require construction which is nontight. Excludes hatch,marine.
Classification: Doors, windows and frames and thresholds for doors of iron or steel
NSN 5950-01-596-3110
NSN 6240-01-316-9882
NSN 5925-01-142-5819
NSN 5925-01-162-9074
NSN 6110-01-094-7870
NSN 5975-00-472-7778
NSN 5960-00-443-1483
NSN 5990-00-876-7893
NSN 6620-01-367-0844
NSN 4140-01-491-7900
NSN 6105-01-509-3641
NSN 5996-01-171-2132