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 5895-00-141-9127
NSN 5910-01-208-4984
NSN 6110-00-397-7531
NSN 5990-01-003-4209
NSN 5975-00-452-9315
NSN 5915-01-252-8683
NSN 5855-01-527-7098
NSN 6645-00-085-7603
NSN 5915-00-054-0924
NSN 5930-01-629-9486
NSN 6110-01-647-5875
NSN 6650-01-543-0588