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 6620-00-218-4959
NSN 5915-00-904-4939
NSN 5950-00-483-0586
NSN 5835-00-111-2953
NSN 6130-01-173-0646
NSN 5915-00-558-4413
NSN 6135-01-462-1135
NSN 5905-01-527-0499
NSN 5996-01-352-7105
NSN 6150-01-527-0217
NSN 5950-01-233-9618
NSN 5996-00-141-3945