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 5895-00-585-2038
NSN 5998-01-267-2231
NSN 5835-01-481-4204
NSN 5855-00-174-3482
NSN 5985-01-357-1398
NSN 5965-01-465-4370
NSN 5930-01-370-8770
NSN 5930-01-627-5062
NSN 5945-01-090-0890
NSN 5999-01-455-9402
NSN 4140-01-383-9736
NSN 5996-01-658-0704