A flat, circular item, rigid or flexible, upon which audio intelligence has been inscribed and can be reproduced.
NSN 5990-01-027-0568
NSN 5999-01-325-8529
NSN 5990-01-116-2181
NSN 5910-00-978-9030
NSN 5945-01-085-4825
NSN 5920-01-468-6227
NSN 2925-01-206-6063
NSN 7035-01-322-0221
NSN 6130-01-043-8253
NSN 5930-00-186-2442
NSN 6135-01-008-4595
NSN 6645-01-106-6369