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 5905-01-487-8868
NSN 5910-01-061-9227
NSN 5930-01-549-1918
NSN 5945-01-355-1460
NSN 5999-01-472-3618
NSN 6130-01-412-1320
NSN 5910-00-183-4417
NSN 5925-01-254-6591
NSN 7035-00-803-3056
NSN 6135-00-990-1822
NSN 6220-00-798-6831
NSN 5996-01-054-3226