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 6645-01-617-3354
NSN 6610-01-042-8621
NSN 4140-01-082-0267
NSN 6145-01-068-3234
NSN 7035-01-633-9537
NSN 5990-00-787-7037
NSN 5945-01-164-5551
NSN 5930-01-105-1215
NSN 5920-01-433-1668
NSN 5950-00-019-4796
NSN 5999-00-444-3233
NSN 5855-01-559-3689