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 5990-00-105-7831
NSN 5996-01-462-5332
NSN 6240-01-078-3687
NSN 5905-01-367-5578
NSN 5905-00-343-6735
NSN 5910-00-229-1923
NSN 5910-00-132-6292
NSN 6110-00-170-6520
NSN 5950-01-546-2526
NSN 6135-01-511-1975
NSN 5895-00-977-7508
NSN 5950-01-192-2904