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 5905-00-182-8424
NSN 6650-00-897-7083
NSN 6240-00-569-5854
NSN 6685-00-347-5448
NSN 5905-00-113-9021
NSN 5960-00-597-2680
NSN 5996-01-268-1483
NSN 6145-01-178-3384
NSN 6135-00-733-9665
NSN 6110-01-445-6347
NSN 6130-01-360-8802
NSN 5996-00-951-1395