A flat, circular item, rigid or flexible, upon which audio intelligence has been inscribed and can be reproduced.
NSN 6135-01-252-0315
NSN 5965-01-424-4922
NSN 6685-01-445-6201
NSN 5965-01-036-9945
NSN 5960-01-573-6483
NSN 2925-01-545-2717
NSN 5950-01-091-7281
NSN 5990-01-501-9094
NSN 5990-01-018-1994
NSN 5925-01-330-3976
NSN 5920-01-609-0277
NSN 6220-00-592-0268