4820-01-139-5236 SEAT,VALVE Index 6650-01-139-5238 CELL ASSEMBLY,OPTICAL INSTRUMENT

National Stock Number:
6650-01-139-5237

Federal Supply Class:
6650

National Item Identification Number:
011395237

Description:
EYEPIECE ASSEMBLY,OPTICAL INSTRU

Detail:
AN OPTICAL SYSTEM CONSISTING OF TWO OR MORE LENSES SECURED WITHIN A CYLINDRICAL SLEEVE. IT IS THE COMPONENT OF AN OPTICAL INSTRUMENT NEAREST THE EYE OF THE OBSERVER WHEN SIGHTING. THE DISTANCE BETWEEN LENSES IS MAINTAINED BY AN OPTICAL ELEMENT SPACER. IT USUALLY HAS FOCUSING FACILITIES AND MAY INCLUDE A RETICLE, FILTER, AND/OR DIOPTER SCALE.


Manufacturer Information:
764923819200US ARMY ARDEC RDECOM


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