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 5920-00-675-4952
NSN 5990-00-477-1362
NSN 5990-00-491-1338
NSN 6685-01-057-9166
NSN 6240-00-753-7586
NSN 6110-00-361-6510
NSN 6105-01-631-7028
NSN 6320-00-841-2279
NSN 5960-01-292-0027
NSN 6105-01-152-4191
NSN 6650-01-252-1557
NSN 4140-00-036-6447