Inavy name is keyboard trackball
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.
Classification: Adp input/output units, nesoi
NSN 5965-01-207-0991
NSN 6685-01-653-1079
NSN 5835-00-187-1481
NSN 5895-01-259-4385
NSN 6240-00-850-4280
NSN 6645-01-240-5499
NSN 6145-01-102-7439
NSN 6130-01-117-3198
NSN 6150-01-067-8376
NSN 6685-01-481-3864
NSN 5998-00-189-0761
NSN 5996-00-169-9036