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 5950-00-246-5277
NSN 5915-01-055-5643
NSN 5895-01-619-2840
NSN 6650-01-232-0275
NSN 5975-01-368-0227
NSN 6220-01-527-0492
NSN 6620-00-008-3280
NSN 6130-01-422-4648
NSN 6650-01-272-9746
NSN 6130-01-157-9307
NSN 5935-01-310-8552
NSN 5965-00-732-8608