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 6150-01-519-2882
NSN 6150-00-834-8795
NSN 5996-01-524-6646
NSN 5930-01-577-9010
NSN 6150-01-416-2873
NSN 5965-01-282-4587
NSN 6320-01-039-5891
NSN 6620-00-505-0546
NSN 5895-01-443-3463
NSN 6320-01-572-6395
NSN 6620-00-450-3952
NSN 5905-01-321-6108