A flat, circular item, rigid or flexible, upon which audio intelligence has been inscribed and can be reproduced.
NSN 6320-01-021-6633
NSN 5920-01-056-7603
NSN 6135-01-586-9728
NSN 5910-01-544-4410
NSN 6610-01-048-2870
NSN 6150-01-329-4598
NSN 5965-01-524-5310
NSN 6135-01-010-0891
NSN 5998-00-946-5212
NSN 2925-01-224-1885
NSN 5835-00-887-6420
NSN 5925-00-111-1748