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 5895-00-456-2667
NSN 6610-00-143-7755
NSN 7035-00-205-8739
NSN 6320-00-456-2092
NSN 5925-01-528-8245
NSN 6240-00-232-7065
NSN 6620-00-941-3461
NSN 6145-00-683-5353
NSN 4140-00-647-1142
NSN 6685-01-126-8938
NSN 5915-01-049-0241
NSN 5999-01-298-5078