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 6145-01-053-8018
NSN 5895-00-005-0306
NSN 5965-01-252-8701
NSN 5855-00-466-2309
NSN 5985-01-210-9219
NSN 6240-01-460-4625
NSN 5996-01-222-0790
NSN 5965-01-260-7146
NSN 6240-00-822-4571
NSN 5990-01-276-3686
NSN 5975-00-401-5365
NSN 5950-00-495-9504