Also watertight
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 5905-00-155-4767
NSN 5960-01-425-1454
NSN 5965-01-095-9767
NSN 5905-00-416-6831
NSN 5999-01-393-0736
NSN 5925-01-338-3161
NSN 4140-01-025-1555
NSN 5895-00-659-8434
NSN 5945-00-403-5446
NSN 5915-00-156-7877
NSN 6645-01-475-4723
NSN 6685-00-337-0983