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 6685-01-200-8184
NSN 7035-00-104-7613
NSN 6145-01-213-0754
NSN 5915-01-628-5889
NSN 5985-00-809-1187
NSN 6145-01-225-2669
NSN 5905-01-387-1286
NSN 6145-01-338-5671
NSN 5895-01-352-5695
NSN 6145-00-946-6950
NSN 5910-01-272-8901
NSN 5975-01-435-7903