A rigid box usually rectangular in shape. It may have a compression device and/or indexing separators. It is designed to maintain cards, letters, papers and the like in an orderly arrangement.
NSN 4140-01-306-4728
NSN 6105-01-598-5689
NSN 7035-00-631-3782
NSN 5945-00-152-9562
NSN 5945-00-964-6354
NSN 6320-00-405-2348
NSN 5950-00-604-8406
NSN 5920-01-343-9735
NSN 6110-01-133-3336
NSN 5930-01-024-4921
NSN 5950-01-168-1683
NSN 6645-00-433-8455