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 2925-01-523-3607
NSN 6150-00-808-1134
NSN 5855-00-361-0167
NSN 6320-01-519-8767
NSN 5895-00-525-3295
NSN 5996-00-425-7481
NSN 5950-00-584-4571
NSN 5950-01-314-6384
NSN 5945-00-240-7869
NSN 6110-01-168-8332
NSN 6320-01-054-3046
NSN 5965-01-633-8849