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 6220-01-093-0928
NSN 6220-00-079-0178
NSN 6610-01-504-3658
NSN 5975-01-345-4177
NSN 5965-01-555-8775
NSN 7035-01-432-2424
NSN 5895-01-452-5470
NSN 5945-01-030-7231
NSN 5910-01-528-2593
NSN 5925-01-328-6237
NSN 5910-01-403-2812
NSN 5998-01-116-1029