ANSI INCITS 162 : 1988 : R1999

1 Scope, Purpose, and Application
  1.1 Scope
  1.2 Purpose
  1.3 Application
  1.4 Conformance
2 Referenced Standards
  2.1 American National Standards
  2.2 Other Standards
3 Definitions
4 General Requirements
  4.1 Environment
  4.2 Materials
  4.3 Cartridge Assembly
5 Physical Requirements
  5.1 Dimensions
  5.2 Torque
  5.3 Physical Properties of the Disk
  5.4 Disk Coating
  5.5 Magnetic Coating Resistivity
  5.6 Flammability
  5.7 Toxicity
6 Test Track Requirements (Track and Recording Information)
  6.1 Number
  6.2 Width
  6.3 Location
  6.4 Physical Identification
  6.5 Index
7 Reference Surface
8 Magnetic Characteristics
  8.1 Data Surfaces
  8.2 Track Quality Tests
Appendixes
Appendix A Optical System for Light-Transmittance Measurement of
            Flexible Disk
Figure A1 Optical System for Light-Transmittance Measurement of
            Flexible Disk
Appendix B Drop-Thru Test Gauge
Figure B1 Drop-Thru Test Gauge
Appendix C Abrasivity Evaluation
   C1. Comparative Disk
   C2. Wear Test Disk
   C3. Wear Revolution
   C4. Test Procedure
Appendix D Method for Measuring the Effective Track Width
Figure D1 Effective Track Width

Defines general, physical and magnetic requirements for interchangeability for two-sided 5.25 inch (130 mm) flexible disk cartridge, for 13 262 flux transitions per radian use. Required to achieve unformatted disk cartridge interchange amongst drives that use 77 or 80 tracks per side and associated processing systems.