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 5835-01-654-1251
NSN 5915-01-373-1708
NSN 7035-00-163-6221
NSN 5925-01-323-0907
NSN 6105-01-311-7537
NSN 6645-00-114-2678
NSN 7035-01-383-9357
NSN 5935-01-252-8678
NSN 5895-01-136-3808
NSN 5935-01-275-1789
NSN 6135-01-017-3001
NSN 6220-00-255-1109