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 5930-00-096-9202
NSN 2925-01-577-0004
NSN 5998-01-591-8137
NSN 5935-01-605-4108
NSN 5950-00-224-5060
NSN 6320-01-512-2031
NSN 6110-01-515-6348
NSN 5975-00-345-1339
NSN 7035-01-290-1447
NSN 6110-00-683-5461
NSN 5965-01-320-0260
NSN 5985-00-117-4702