Double sided/double density; 98 tpi; also known as quad density; 1 megabyte unformatted capacity; write protect; hub ring.
A round flat item which is used as a storage media, it is rotated in order to read or write data on one or both sides. The item may have a magnetic coating and be stored in a paper/plastic envelope, or it may be designed as an optical storage media with pits on a reflecting surface that are served by means of an optical device or a laser beam. For preprogrammed disk, flexible, see disk program, automatic data processing.
NSN 5855-01-634-0259
NSN 5835-01-381-2683
NSN 6105-00-495-6909
NSN 2925-01-554-5246
NSN 5855-00-149-0766
NSN 5910-01-258-2123
NSN 5990-00-016-5648
NSN 5960-01-346-6002
NSN 5965-01-420-6613
NSN 6620-00-628-6905
NSN 5925-01-513-4386
NSN 5930-01-472-2026