National Item Identification Number
01-330-4406
013304406
7025-01-330-4406
7025013304406
National Stock Number
Item Name
TRACKBALL,DATA ENTRY
Federal Supply Class
7025
Description
A device which includes a sphere mounted in a small open-topped box. The sphere is hand-operated by rotating it in a backward, a forward, or a sideway direction while maintaining the device in a fixed location. The movement of the sphere generates a signal which may be used to move a cursor and/or tracking symbol on the face of a display, such as a cathode ray tube; to input data into an electronic system; and/or to control the operation of a system. It may or may not include additional input devices, such as switches or variable resistors.
Commercial and Government Entity Code (Supplier Data)
07421
Reference Numbers (Part Numbers)
391-602-511
Required Categories
Required Description