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 5935-01-430-0236
NSN 5930-01-319-9856
NSN 5935-00-080-9940
NSN 6685-01-185-2523
NSN 5930-01-592-8434
NSN 5895-01-222-1168
NSN 5990-00-169-7689
NSN 5985-01-388-3503
NSN 5915-01-014-7877
NSN 4140-01-359-4171
NSN 5835-01-297-1909
NSN 5855-01-624-5332