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 5945-01-421-4135
NSN 6650-00-492-9503
NSN 5945-00-946-4648
NSN 6135-00-231-7257
NSN 6110-01-215-1006
NSN 5895-01-215-1059
NSN 6150-01-188-7317
NSN 5895-01-335-2801
NSN 5985-00-239-4793
NSN 6620-01-391-7331
NSN 5915-01-428-6681
NSN 5915-00-858-4823