3120-01-292-0969 ROLLER,LINEAR-ROTARY MOTION Index 6150-01-292-0971 WIRING HARNESS

National Stock Number:
1240-01-292-0970

Federal Supply Class:
1240

National Item Identification Number:
012920970

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.


Manufacturer Information:
827028219200US ARMY ARDEC RDECOM


Techincal Specification:
INSCRIPTION COLORBLACK
INSIDE DIAMETER0.500 INCHES NOMINAL
OVERALL HEIGHT0.953 INCHES NOMINAL
OVERALL OUTSIDE DIAMETER1.406 INCHES NOMINAL
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-200/3, ALLOY 2024, T4 FED SPEC 1ST MATERIAL RESPONSE AND QQ-A-200/8, 6061, T6 FED SPEC 2ND MATERIAL RESPONSE
MATERIALALUMINUM ALLOY 2024 OR ALUMINUM ALLOY 6061
MOUNTING CONFIGURATIONPRESS FIT
SCALE DIVISION QUANTITY100
SCALE UNIT OF MEASURE INSCRIPTIONDEGREES 0 TO 90


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