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 5910-01-234-1962
NSN 5960-01-163-8905
NSN 5930-01-503-8722
NSN 5910-00-496-5587
NSN 4140-01-342-7930
NSN 5855-01-138-4985
NSN 5945-01-485-5471
NSN 6110-00-445-4909
NSN 6130-01-568-1854
NSN 5905-00-757-4460
NSN 5985-01-474-5141
NSN 7035-00-235-3529