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 5945-01-460-1374
NSN 5965-01-050-0689
NSN 5975-00-162-9530
NSN 6105-00-527-2193
NSN 6150-00-625-6769
NSN 5996-01-130-5128
NSN 6135-01-092-4734
NSN 6150-01-473-7937
NSN 5935-00-617-3976
NSN 6150-00-070-3571
NSN 5925-01-269-0789
NSN 5975-01-186-0114