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 5910-01-394-3729
NSN 6110-01-065-0232
NSN 5855-01-023-3727
NSN 5965-00-465-9566
NSN 6650-00-170-5095
NSN 5915-01-380-2139
NSN 5985-01-259-8446
NSN 2925-01-528-7333
NSN 6145-00-161-5415
NSN 6685-00-466-0723
NSN 5975-01-423-6812
NSN 5835-01-434-0790