Defines the dimensions and inteconnections of 133.35 mm (5.25 in) small form factor disk drives. This standard was listed for public review in the 5/22/1998 issue of Standards Action. It is being resubmitted due to substantive changes to the text. On Page 6, Figure 2, Definition of Screw Threads: change the specified screw threads from: 6-32 UNC-2B to: M3