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 6645-01-211-6502
NSN 5930-01-211-6658
NSN 5935-00-209-0923
NSN 6685-01-519-9250
NSN 5895-00-899-0334
NSN 5915-00-918-8636
NSN 6130-01-387-4145
NSN 6220-00-284-3220
NSN 5950-01-573-3239
NSN 5960-01-130-6413
NSN 6645-01-601-5473
NSN 5945-01-419-1177