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 6130-01-473-4303
NSN 6145-01-450-7347
NSN 6110-00-739-6692
NSN 5905-00-715-1119
NSN 5925-01-169-1376
NSN 6110-01-206-6479
NSN 5835-01-416-6449
NSN 5895-01-408-9707
NSN 4140-00-163-1182
NSN 5930-01-212-1696
NSN 6220-00-343-0182
NSN 6610-00-727-9918