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 5925-01-658-3789
NSN 5950-00-484-5296
NSN 6320-01-519-8767
NSN 6320-00-238-9973
NSN 5998-01-496-1393
NSN 5945-00-420-1273
NSN 6240-01-492-2469
NSN 6150-01-415-2852
NSN 7035-01-578-8449
NSN 6620-01-519-2628
NSN 5910-00-190-0138
NSN 6240-01-587-5471