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 6650-00-575-7487
NSN 5895-00-627-2720
NSN 5990-01-200-2800
NSN 4140-01-435-7166
NSN 6610-01-152-1463
NSN 6105-00-427-9615
NSN 5835-00-980-0468
NSN 5905-00-262-0942
NSN 5935-01-336-2282
NSN 5835-01-228-8666
NSN 5985-01-521-4827
NSN 5975-00-254-5124