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 6110-01-151-9410
NSN 6145-00-827-2022
NSN 6240-01-437-4936
NSN 5945-00-923-4291
NSN 5925-01-188-7630
NSN 5855-01-118-2210
NSN 5905-01-533-9477
NSN 6145-00-390-0755
NSN 5998-01-315-6955
NSN 5945-00-887-8820
NSN 2925-01-600-2309
NSN 4140-00-555-2579