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National Stock Number:
1240-00-766-0727
Federal Supply Class:
1240
National Item Identification Number:
007660727
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:
| 7660727 | 19200 | US ARMY ARDEC RDECOM |
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Techincal Specification:
| FSC APPLICATION DATA | TELESCOPE,T156,INTEGRATED WITH FIRE CONTROL EQUIPMENT | | INSCRIPTION COLOR | BLACK | | INSIDE DIAMETER | 1.898 INCHES NOMINAL | | OVERALL HEIGHT | 2.000 INCHES NOMINAL | | OVERALL OUTSIDE DIAMETER | 2.688 INCHES NOMINAL | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-A-591 FED SPEC SINGLE MATERIAL RESPONSE | | MATERIAL | ALUMINUM ALLOY 413.0 OR ALUMINUM ALLOY A380.0 OR ALUMINUM ALLOY 360.0 OR ALUMINUM ALLOY A413.0 OR ALUMINUM ALLOY 380.0 OR ALUMINUM ALLOY 384.0 OR ALUMINUM ALLOY 518.0 OR ALUMINUM ALLOY A360.0 OR ALUMINUM ALLOY 383.0 OR ALUMINUM ALLOY 443.0 OR ALUMINUM ALLOY C443.0 | | MOUNTING CONFIGURATION | 3 THD HOLES,NO. 8/0.164 IN.1-32,NC-3,EQUALLY SPACED | | SCALE DIVISION QUANTITY | 12 | | SCALE UNIT OF MEASURE INSCRIPTION | 3,2,1,MINUS SIGN/IN SYMBOL FORM/,0,PLUS SIGN/IN SYMBOL FORM/,2,3 | | SURFACE TREATMENT | ANODIZE |
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