2175-0013 disk drive, super for atl um-400c (ls120 drive - v2.02.03 software & higher required)

2175-0014 keyboard assy, english uif for atl um-400c (phase 3.0 or higher)

221-m-001 base lower monitor for atl um-400c

333-z008a caster 5

333-zz07a caster 5

6030-0307 keyboard, function for atl um-400c

7575-1615 pcb, jmi pentium for atl um-400c

7575-1636 panel, rear, right, sa6000c for atl um-400c (alternate p/n: 427-02-013)

7575-1639 panel, rear, if, i, lower for atl um-400c (also contains p/n: 7575-1640 panel, rear, if, i, upper)

7575-1733 (panel) rear left, oem pcb,
um-400c for atl um-400c (also contains p/n: 7575-1734 - (panel) rear middle, oem pcb,
um-400c & p/n: 7575-1732 - (panel) rear right, oem pcb,
um-400c)

7575-1749 pcb, oem, pentium mother for atl um-400c (phase 3.0 or
higher)

a241-005 shaft ay

ay-316-t/b-u trackball unit sa7700 for atl um-400c

c4.0 convex abdominal 58mm transducer with thi for atl um-400c

cla 4.0/60 convex abdominal 60mm transducer for atl um-400c (atl p/n: 2100-1659)

fan-f1225l12b dc fan rpm 1800 for atl um-400c

wh-327-sig-08-0 speaker for atl um-400c