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National Stock Number:
1240-00-763-4711
Federal Supply Class:
1240
National Item Identification Number:
007634711
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:
| 7634711 | 19200 | US ARMY ARDEC RDECOM |
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Techincal Specification:
| FSC APPLICATION DATA | BINOCULATOR,FIRE CONTROL EQUIPMENT | | INSCRIPTION COLOR | WHITE | | INSIDE DIAMETER | 1.480 INCHES NOMINAL | | OVERALL HEIGHT | 0.580 INCHES NOMINAL | | OVERALL OUTSIDE DIAMETER | 1.562 INCHES NOMINAL | | MATERIAL | ALUMINUM | | MOUNTING CONFIGURATION | INTERNALLY THD RING | | SCALE DIVISION QUANTITY | 9 | | SCALE UNIT OF MEASURE INSCRIPTION | 4,2,PLUS 0,MINUS,2,4 | | SURFACE TREATMENT | ANODIZE |
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