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National Stock Number:
6645-01-514-5841
Federal Supply Class:
6645
National Item Identification Number:
015145841
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:
| CARRYING CASE | NOT PROVIDED | | HAND QUANTITY | 0 | | ILLUMINATIVE METHOD | 5 VOLT LAMP | | LUMINOUS HAND | NOT INCLUDED | | OVERALL DEPTH | 2.910 INCHES NOMINAL | | OVERALL HEIGHT | 2.220 INCHES MINIMUM | | OVERALL LENGTH | 2.375 INCHES MINIMUM | | PART NAME ASSIGNED BY CONTROLLING AGENCY | LSI TIME MANAGEMENT SYSTEM | | SPECIAL FEATURES | 2 BUTTON CONTROL SYSTEM; SUNLIGHT INCANDESCENT DISPLAY; ILLUMINATED BUTTONS AND ANNUNCIATORS; GREENWICH MEAN TIME; FLIGHT TIME RECORDED IN HOURS, MINUTES OR HOURS, TENTHS, HUNDREDTHS; FLIGHT TIME ALARM WITH EXTERNAL OUTPUT, ELAPSED TIME COUNT DOWN TIMER WITH ALARM; 4 MEGAHERTZ CRYSTAL PRECISION TIME REFERENCE | | TIME TYPE | MEAN SOLAR |
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