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 6610-00-798-8562
NSN 6620-00-209-0767
NSN 5950-01-435-5478
NSN 5905-01-634-0595
NSN 5915-00-959-5454
NSN 5935-00-204-9909
NSN 6220-00-118-4546
NSN 6320-00-456-0836
NSN 5935-01-589-9179
NSN 6620-01-406-3584
NSN 6620-01-231-9731
NSN 5930-00-921-1160