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 5895-01-311-3008
NSN 5996-01-379-1025
NSN 6610-01-034-0798
NSN 5895-01-386-3049
NSN 6610-01-269-3070
NSN 5835-01-123-8305
NSN 5915-01-313-8364
NSN 5975-00-794-6093
NSN 5945-01-425-5714
NSN 5935-01-104-4740
NSN 6220-00-078-6021
NSN 6240-00-299-9819