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 6150-00-468-5416
NSN 6145-01-481-3688
NSN 6145-01-135-6836
NSN 6685-01-220-9354
NSN 6110-01-406-4818
NSN 5855-00-300-1873
NSN 6105-01-423-9451
NSN 5895-01-464-3149
NSN 6320-00-004-9158
NSN 5930-00-915-6586
NSN 6135-01-142-6456
NSN 6105-00-573-6328