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 6135-01-025-8109
NSN 5925-01-044-5508
NSN 6145-00-394-4511
NSN 5915-00-632-0443
NSN 6150-01-428-4496
NSN 5930-01-277-8735
NSN 5915-01-470-2299
NSN 6610-01-555-8596
NSN 5945-01-542-8211
NSN 5996-00-775-6076
NSN 6130-01-202-9304
NSN 5855-01-317-5354