National Item Identification Number
01-470-4633
014704633
7025-01-470-4633
7025014704633
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)
22978
ULTRA ELECTRONICS MEASUREMENT
SYSTEMS INC
50 BARNES PARK NORTH
WALLINGFORD
CT
06492
203-949-3500
Reference Numbers (Part Numbers)
6817544-1
Required Categories
SPECIAL FEATURES
III END ITEM IDENTIFICATION
Required Description
ORIGINAL NAME ENCODER,TRACKBALL
DSR (DISPLAY SYSTEM REPLACEMENT,CIP A-01)