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 6645-01-156-6741
NSN 5915-00-398-0675
NSN 5965-01-539-6660
NSN 5990-00-594-7291
NSN 5998-01-322-5896
NSN 5965-01-390-9249
NSN 6685-01-215-8125
NSN 5915-01-296-2204
NSN 5985-00-693-9548
NSN 5935-01-320-1923
NSN 6220-00-099-9192
NSN 6220-01-318-0054