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 5835-01-482-1591
NSN 6220-01-415-2351
NSN 5905-00-679-9970
NSN 5985-01-325-6960
NSN 6135-00-179-0538
NSN 5930-01-501-4289
NSN 6610-00-763-2415
NSN 5935-00-366-5789
NSN 5965-01-629-0975
NSN 6610-00-802-8057
NSN 5835-01-208-8800
NSN 5996-01-324-0710