ANSI INCITS 46 : 1974 : R2002

1. Scope
2. General Requirements
   2.1 Operation, Storage, and Test Environment
   2.2 Environmental Stability
   2.3 Materials
   2.4 Disk Pack Assembly
3. Physical Requirements
   3.1 Dimensions
   3.2 Moment of Inertia
   3.3 Balance
   3.4 Maximum Speed
   3.5 Locking Pull
   3.6 Air Feed Openings
   3.7 Air Filter
   3.8 Airflow
   3.9 Thermal Time Constant
   3.10 Electrical Ground
   3.11 Physical Characteristics of Magnetic Surfaces
   3.12 Shock and Vibration
   3.13 Maximum Weight
4. Magnetic Requirements
   4.1 Surface and Head Identification
   4.2 Surface Geometry
   4.3 Track Geometry
   4.4 Reference Standards
   4.5 Test Conditions
   4.6 Surface Tests
   4.7 Track Quality Tests
   4.8 Rejection Criteria
Appendix - Suggested Measurement Techniques
  A1. Introduction
  A2. Measurement

Describes the general, physical, and magnetic requirements for interchangeability of the magnetic six-disk pack, as required to achieve unrecorded pack interchange between disk storages and associated information processing systems.