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National Stock Number: 7025-99-667-4993
Federal Supply Class: 7025
National Item Identification Number: 996674993
Description: TRACKBALL,DATA ENTR
Detail: 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.
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Manufacturer Information:
77258TAB | KCTX8 | MINISTRY OF DEFENCE, DES SHIPS,MARINE PROPULSION SYSTEMS, MARITIME | NO PRIMARY REF 99-667-4993 | IREF0 | THIS NCAGE IS USED TO INFORM THAT THE DESIGN CONTROL AUTHORITY CANNOT BEESTABLISHED OR THE ITEM OF SUPPLY IS NO LONGER M |
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