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National Stock Number:
6645-01-554-0609
Federal Supply Class:
6645
National Item Identification Number:
015540609
Description:
CHRONOMETER
Detail:
AN INSTRUMENT FOR PRECISELY DETERMINING TIME, MANUFACTURED TO CLOSE TOLERANCES TO ASSURE THE TIME-KEEPING QUALITIES OF DEPENDABILITY AND CONSISTENCY OF RATE. THESE QUALITIES ARE ACCURATELY ASCERTAINED BY COMPARISON WITH MORE EXACT DEVICES OR BY ASTRONOMICAL METHODS SO THAT THE ACCUMULATED ERROR MAY BE TAKEN INTO ACCOUNT WHEN DETERMINING TIME. ITS USUAL USES ARE TO INDICATE TIME FOR NAVIGATIONAL PURPOSES, AND TO SERVE AS A REFERENCE FOR LESS ACCURATE TIMEPIECES. IT IS USUALLY PROVIDED WITH A WINDING INDICATOR DIAL AND IS USUALLY MOUNTED IN GIMBALS TO MAINTAIN THE INSTRUMENT IN A LEVEL POSITION. MAY CONSIST OF A SPRING DRIVEN OR OTHER TYPE OF MOVEMENT WHICH IS CAPABLE OF EXACTING PERFORMANCE WITHOUT REGULATION THROUGHOUT THE NORMAL RANGE OF ROOM TEMPERATURES. NOT DESIGNED FOR CARRYING ON THE PERSON.
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Manufacturer Information:
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Techincal Specification:
| DIAL SCALE MARKING LUMINOSITY | LUMINOUS | | LUMINOUS DIAL | INCLUDED | | PART NAME ASSIGNED BY CONTROLLING AGENCY | CLOCK NVG | | MOVEMENT TYPE | CONTINUOUS RUNNING | | OVERALL DEPTH | 2.800 INCHES NOMINAL | | OVERALL HEIGHT | 2.200 INCHES NOMINAL | | OVERALL LENGTH | 2.375 INCHES NOMINAL | | SPECIAL FEATURES | 3 IN 1 CHRONOMETER WITH DIGITAL CLOCK,FLIGHT RIME RECORDER,AND ELAPSED TIME METER;BRIGHT INCANDESCENT DISPLAY;SOLID STATE TIMING CIRCUITS;NIGHT VISION GOGGLE (NVG) COMPLIANT;BATTERY SUPPLIED 6V-1AMP HOUR;POLAROID FILTER |
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