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National Stock Number:
6650-01-326-0420
Federal Supply Class:
6650
National Item Identification Number:
013260420
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:
| 6413053-1 | 55974 | HONEYWELL INTL INC DEFENSE AVIONICS SYSTEMS FORMER TEST SYSTEMS DIV |
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