Specifies the general, physical, and magnetic requirements for interchangeability for the two-sided, 5.25~in (130-mm), 96-tracks-per-inch (tpi) (3,8-tracks-per-millimeter (tpmm)) flexible disk cartridge (for 13 262 flux-transitions-per-radian (ftpr) use) as required to achieve unformatted disk cartridge interchange among disk drives using 77 or 80 tracks per side and associated information processing systems.
