Hello. Sign In
Standards Store
A-A-55431 Revision A, April 17, 1995
Complete Document
Active, Most Current
DISK, FLEXIBLE, TWO-SIDED, HIGH-DENSITY, 5.3 TRACKS PER MILLIMETERS (TPMM) (135 TRACKS PER INCH (TPI)), 90 MILLIMETERS (MM) (3.5 INCHES)
Includes all amendments and changes through Validation Notice 2, February 1, 2007
PDF :
$28.00 USD
In Stock
Print  :
$30.00 USD
In Stock
Print + PDF :
$40.60 USD
You save 30%
In Stock
This CID covers the general requirements for a two-sided, high-density, 5.3 TPMM (135 TPI), 90 mm (3.5 inches) flexible disk. Flexible disks covered by this CID are intended for commercial/industrial applications.