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National Stock Number:
6650-00-617-3980
Federal Supply Class:
6650
National Item Identification Number:
006173980
Description:
RETICLE,OPTICAL INSTRUMENT
Detail:
AN ITEM, USUALLY MADE OF GLASS, HAVING FINE WIRES OR HAIRS, OR ETCHED OR PRINTED FINE LINES ON A SURFACE, AND PLACED IN THE FOCAL PLANE OF AN OPTICAL INSTRUMENT TO ESTABLISH A REFERENCE POINT TO THE AXIS FOR THE PURPOSE OF AIMING, MEASURING, RANGING, AND THE LIKE. EXCLUDES LENS, OPTICAL INSTRUMENT.
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Manufacturer Information:
| 6173980 | 19200 | US ARMY ARDEC RDECOM |
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Techincal Specification:
| ANGLE IN DEG | 45.0 | | AXIAL THICKNESS | 0.060 INCHES MINIMUM AND 0.080 INCHES MAXIMUM | | BEVEL DEPTH AND LOCATION | 0.0220 INCHES NOMINAL ETCHED SURFACE AND 0.0100 INCHES MINIMUM OPPOSITE ETCHED SURFACE AND 0.0200 INCHES MAXIMUM OPPOSITE ETCHED SURFACE | | DIAMETER | 0.8220 INCHES MINIMUM AND 0.8260 INCHES MAXIMUM | | DISPERSION | 46.0 ANGSTROMS NOMINAL AND 58.6 ANGSTROMS NOMINAL | | FSC APPLICATION DATA | BINOCULAR,FIRE CONTROL | | GRADUATIONS/MARKINGS | RANGE SCALE | | MATERIAL | GLASS OPTICAL | | REFRACTION INDEX | 1.5838 NOMINAL AND 1.5230 NOMINAL | | RIM FINISH | GROUND | | SCALE CALIBRATION | 500 TO 2000 YDS,5 TO 0 TO 5 MILS | | STYLE DESIGNATOR | SIDE AND BOTTOM GRADUATED | | SUPPLEMENTARY FEATURES | MATERIAL OPTICAL GLASS PER MIL-G-174, GRADE C, TYPE 584-460 AND TYPE 525-586 |
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