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 6620-01-540-5712
NSN 6220-01-161-5016
NSN 6150-00-081-2063
NSN 6105-01-257-7326
NSN 5990-01-407-1474
NSN 6150-01-344-1071
NSN 5996-01-462-0112
NSN 5835-00-475-9271
NSN 6620-01-461-3550
NSN 6105-00-162-2060
NSN 5945-01-341-1939
NSN 5999-01-407-5864