64F4148 64F5996 72X6101 MP-F40W-03 MF356F-899F MF356C-799MA 2.88MB FLOPPY DRIVE

Description

We have stacks of IBM 9577 systems that we pull these floppy drives.
The part numbers vary, but these are all equivalent drives.
Each drive is tested before shipping.
We check writing, reading, booting to diskette, and disk change indicator.