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 6220-01-454-9768
NSN 6320-01-521-1764
NSN 4140-01-082-8803
NSN 5915-00-740-4336
NSN 5999-00-195-1248
NSN 6645-01-454-5729
NSN 5999-00-100-5761
NSN 5990-00-660-8885
NSN 5975-01-534-7582
NSN 5965-00-617-5731
NSN 6650-00-292-9106
NSN 5915-01-633-9175