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 6110-01-205-0669
NSN 5905-01-020-4786
NSN 6645-00-816-5337
NSN 5855-00-933-9978
NSN 7035-01-518-2807
NSN 5930-01-421-8942
NSN 6150-00-001-6582
NSN 5960-00-426-8028
NSN 5975-01-554-8504
NSN 6105-00-602-9035
NSN 6650-00-170-5095
NSN 5950-01-216-4282