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 6685-01-275-1242
NSN 6620-01-519-7234
NSN 5950-01-592-3145
NSN 5910-00-269-4755
NSN 5835-00-351-9459
NSN 6150-00-521-1257
NSN 6220-01-278-5803
NSN 5996-00-030-7503
NSN 6320-01-305-5881
NSN 5965-01-406-6320
NSN 4140-01-199-9771
NSN 6620-01-168-8450