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 4140-00-496-8626
NSN 5990-00-230-5352
NSN 5990-01-386-5561
NSN 5965-00-834-5940
NSN 5975-01-376-7620
NSN 6135-00-422-3967
NSN 6135-01-265-1384
NSN 5996-01-203-6787
NSN 5950-01-026-2284
NSN 5930-00-885-2405
NSN 5999-01-113-6872
NSN 7035-00-286-6221