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 6645-01-077-9350
NSN 6610-01-095-9262
NSN 6135-01-512-8740
NSN 5950-00-121-1709
NSN 5975-01-346-6740
NSN 6130-01-211-0224
NSN 5920-01-409-2830
NSN 5950-01-480-3575
NSN 5895-01-291-8929
NSN 6650-01-373-4159
NSN 6105-01-067-0015
NSN 6645-00-068-0945