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National Stock Number:
1240-00-618-0583
Federal Supply Class:
1240
National Item Identification Number:
006180583
Description:
SCALE,DIOPTER
Detail:
A GRADUATED SCALE, USUALLY CYLINDRICAL IN SHAPE, ATTACHED TO, OR FORMING A PART OF, THE FOCUSING NUT OR KNOB OF THE EYEPIECE OF AN OPTICAL INSTRUMENT. IT IS READ IN CONJUNCTION WITH A LINE OR DART INDICATOR TO MEASURE THE CHANGE IN REFRACTING POWER OF THE EYEPIECE, IN DIOPTERS, AND INTRODUCES CORRECTION TO COMPENSATE FOR THE EYESIGHT VARIATION OF THE OBSERVER. IT MAY HAVE A KNURLED PERIPHERY AND/OR TEETH ON THE INSIDE DIAMETER.
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Manufacturer Information:
| 6180583 | 19200 | US ARMY ARDEC RDECOM |
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Techincal Specification:
| FSC APPLICATION DATA | B. C.,TELESCOPE,INTEGRATED WITHFIRE CONTROL EQUIPMENT | | INSCRIPTION COLOR | WHITE | | INSIDE DIAMETER | 1.345 INCHES NOMINAL | | OVERALL HEIGHT | 0.550 INCHES NOMINAL | | OVERALL OUTSIDE DIAMETER | 2.062 INCHES NOMINAL | | MATERIAL DOCUMENT AND CLASSIFICATION | WW-T-789, COND T-CANCELED FED SPEC SINGLE MATERIAL RESPONSE | | MATERIAL | ALUMINUM ALLOY 6061 OR ALUMINUM ALLOY 6062 | | MOUNTING CONFIGURATION | TEETH ON INSIDE DIAMETER | | SCALE DIVISION QUANTITY | 9 | | SCALE UNIT OF MEASURE INSCRIPTION | 3,2,1,MINUS SIGN/IN SYMBOL FOR M/,0,PLUS SIGN/IN SYMBOL FORM/,1,2,3 | | SURFACE TREATMENT | ANODIZE |
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