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 5960-01-602-6009
NSN 6240-00-514-3507
NSN 5925-01-374-3831
NSN 5950-01-113-5721
NSN 5935-00-527-3826
NSN 6105-01-563-3171
NSN 6220-00-397-6910
NSN 5990-01-239-1474
NSN 5925-01-463-9258
NSN 5975-01-229-2854
NSN 2925-01-147-6688
NSN 6240-01-443-0519