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 5965-00-706-7005
NSN 5910-01-570-7343
NSN 6220-00-096-5018
NSN 5930-01-628-4527
NSN 5999-01-320-1824
NSN 5985-01-537-0725
NSN 6130-01-025-6770
NSN 6240-00-180-4602
NSN 5915-01-174-1164
NSN 7035-01-386-5722
NSN 5905-01-255-6304
NSN 6610-01-375-1527