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 6130-01-556-7996
NSN 6320-01-618-7800
NSN 6650-01-500-9638
NSN 5996-00-276-5480
NSN 6320-01-190-1397
NSN 5945-01-513-9067
NSN 5920-00-775-7994
NSN 6150-01-212-0604
NSN 5920-01-359-7257
NSN 5985-01-235-7068
NSN 5920-01-478-3917
NSN 5985-01-447-2723