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 6150-00-636-8263
NSN 5945-01-021-5699
NSN 5915-01-410-7822
NSN 5996-01-444-3915
NSN 4140-01-432-0292
NSN 6220-00-244-2040
NSN 6105-01-647-3142
NSN 5960-01-593-4760
NSN 5996-01-421-4417
NSN 6150-01-281-0618
NSN 6105-01-494-1234
NSN 6685-01-566-1316