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National Stock Number:
6650-00-078-4092
Federal Supply Class:
6650
National Item Identification Number:
000784092
Description:
LENS,OPTICAL INSTRUMENT
Detail:
An unmounted, transparent, color free lens which may be treated with a low reflection coating to increase light transmission. Includes single and compound elements. For items having two plane parallel surfaces, see WINDOW, OPTICAL INSTRUMENT. Excludes RETICLE, OPTICAL INSTRUMENT.
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Manufacturer Information:
| 8620992 | 19204 | ARMY, UNITED STATES DEPARTMENT OF THE |
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Techincal Specification:
| ELEMENT LEFT SURFACE RADIUS | 8.050 INCHES AND 2.799 INCHES | | EQUIVALENT FOCAL LENGTH | 10.630 INCHES | | COMPOUND LENS EDGE THICKNESS | 0.463 INCHES NOMINAL | | AXIAL THICKNESS | 0.210 INCHES NOMINAL AND 0.300 INCHES NOMINAL | | ELEMENT RIGHT SURFACE RADIUS | 2.799 INCHES AND -10.130 INCHES | | COMPOUND LENS STYLE | DOUBLET | | COMPOUND LENS OVERALL AXIAL THICKNESS | 0.490 INCHES MINIMUM AND 0.530 INCHES MAXIMUM | | LENGTH | 1.300 INCHES NOMINAL | | DIAMETER | 1.297 INCHES MINIMUM AND 1.300 INCHES MAXIMUM | | MATERIAL | GLASS, OPTICAL, JAN-G-174, GRADE C | | FRONT FOCAL LENGTH | 10.497 INCHES |
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