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National Stock Number: 5930-00-831-6486
Federal Supply Class: 5930
National Item Identification Number: 008316486
Description: SWITCH,CODE INDICATING WHEEL
Detail: A SWITCH WHICH IS EXTERNALLY ACTUATED BY A THUMBWHEEL AND/OR PUSHBUTTON. A LEGEND OR MESSAGE IS VISUALLY DISPLAYED AT EACH POSITION OF THE INDICATING WHEEL WHICH CORRESPONDS TO ELECTRICALLY CODED OUTPUT. ELECTRICALLY CODED OUTPUT IS ACHIEVED BY ROTATING A SET OF BRUSH CONTACTS PERMANENTLY ATTACHED TO THE CODE INDICATING WHEEL, AGAINST A STATIONARY COMMUTATOR WHICH IS USUALLY A PRINTED WIRING BOARD HAVING ELECTRICAL PADS OR CONTACTS WHICH ARE INTERCONNECTED BY THE ROTATING BRUSH CONTACTS. MAY HAVE ADDITIONAL ELECTRICAL COMPONENTS (SUCH AS RESISTORS, CAPACITORS, DIODES) PREMOUNTED ON THAT PORTION OF PRINTED WIRING BOARD WHICH EXTENDS BEYOND THE BACK OF SWITCH HOUSING.
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Manufacturer Information:
| 840190-111 | 80249 | BAE SYSTEMS INFORMATION AND ELECTRONIC SYSTEMS INTEGRATION INC. |
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Techincal Specification:
| STYLE DESIGNATOR | RECTANGULAR INLINE INDICATING | | OVERALL LENGTH | 1.900 INCHES NOMINAL | | OVERALL HEIGHT | 2.288 INCHES NOMINAL | | OVERALL WIDTH | 1.875 INCHES NOMINAL | | INDIVIDUAL SECTION QUANTITY | 2 | | READOUT INDICATOR MARKING | 0,1,2,3,4,5,6,7 1ST SECTION | | 0,1,2,3,0,1,2,3 2ND SECTION | | COLOR | BLACK EACH BODY | | CONTACT ARRANGEMENT TRUTH TABLE | BCD WITH ODD BIT PARITY, 8 POSITIONS EACH SECTION | | ACTUATOR TYPE | THUMBWHEEL ALL ACTUATORS | | SWITCH ACTUATOR INDEXING POSITION QUANTITY | 8 ALL ACTUATORS | | TERMINAL TYPE | PRINTED CIRCUIT | | MOUNTING METHOD | UNTHREADED HOLE SINGLE MOUNTING FACILITY | | UNTHREADED MOUNTING HOLE DIAMETER | 0.141 INCHES NOMINAL SINGLE MOUNTING FACILITY |
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