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 5925-01-145-4565
NSN 6320-01-434-6861
NSN 6650-01-485-2351
NSN 6145-01-227-4177
NSN 6220-01-029-8605
NSN 5998-00-753-1581
NSN 6320-00-521-9350
NSN 6145-00-593-5445
NSN 5925-01-193-6056
NSN 5975-01-435-4604
NSN 6135-01-026-9960
NSN 5895-00-686-2029