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 5960-00-641-8056
NSN 5960-01-323-6432
NSN 5855-00-228-8446
NSN 6620-01-421-3917
NSN 7035-01-484-5416
NSN 4140-00-021-7645
NSN 6145-00-082-5172
NSN 6620-00-280-2874
NSN 6220-01-186-6431
NSN 5945-01-067-7955
NSN 5905-00-276-8597
NSN 5930-01-428-8938