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 5910-01-461-9038
NSN 6145-01-111-1381
NSN 5965-01-067-4946
NSN 6110-01-419-7612
NSN 6240-00-084-0176
NSN 4140-00-901-8216
NSN 6135-00-998-5884
NSN 5915-01-549-1206
NSN 5950-01-495-8501
NSN 6240-00-739-0961
NSN 5965-00-322-9933
NSN 6320-01-054-3046