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 5998-00-762-0435
NSN 6145-01-620-0527
NSN 5925-00-482-5779
NSN 5925-01-264-3230
NSN 5925-01-381-2528
NSN 6220-01-224-8746
NSN 2925-01-079-6229
NSN 6130-01-140-2792
NSN 5999-01-634-0576
NSN 5996-01-224-2310
NSN 5910-01-303-4948
NSN 5960-00-728-6236