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 5965-01-416-4059
NSN 5895-00-332-5025
NSN 5999-01-573-4512
NSN 5965-01-071-3704
NSN 6220-01-339-7557
NSN 5990-01-522-6096
NSN 5855-01-406-7237
NSN 6145-00-366-5790
NSN 5950-00-266-2511
NSN 5920-00-267-3109
NSN 6620-00-583-2687
NSN 5965-01-497-1367