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 2925-00-574-8796
NSN 6105-01-542-7944
NSN 5935-00-053-4793
NSN 5975-01-626-6850
NSN 2925-01-360-3575
NSN 6610-00-235-7617
NSN 6130-01-527-9204
NSN 6685-00-900-3386
NSN 5945-00-868-9541
NSN 6105-01-276-5207
NSN 6650-01-554-8571
NSN 6135-00-334-4500