ANSI/INCITS 82-1980(R1996)
Specifies the general, physical, and magnetic requirements for interchangeability of the one-sided 5.25-inch (nominal) flexible disk cartridge- for use at 3979 bits per radian (BPR)--as required to achieve unformatted disk cartridge interchange among disk drives using 35 tracks (can be negotiated between concerned parties for use in drives using up to 40 tracks) and associated information processing systems.