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National Stock Number:
6650-00-531-6356
Federal Supply Class:
6650
National Item Identification Number:
005316356
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:
| 5316356 | 03829 | GENERAL SCIENTIFIC CORP | | 5316356 | 19200 | US ARMY ARDEC RDECOM | | 5316356 | 34870 | FJW OPTICAL SYSTEMS, INC |
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Techincal Specification:
| ELEMENT LEFT SURFACE RADIUS | -4.630 INCHES AND 6.601 INCHES | | ELEMENT RIGHT SURFACE RADIUS | -4.630 INCHES AND 14.788 INCHES | | ABBE CONSTANT | 64.500 AND 33.800 | | AXIAL THICKNESS | 0.259 INCHES NOMINAL AND 0.188 INCHES NOMINAL | | BACK FOCAL LENGTH | 10.525 INCHES | | COMPOUND LENS EDGE THICKNESS | 0.350 INCHES NOMINAL | | COMPOUND LENS OVERALL AXIAL THICKNESS | 0.447 INCHES NOMINAL | | COMPOUND LENS STYLE | DOUBLET | | DIAMETER | 1.874 INCHES NOMINAL | | EQUIVALENT FOCAL LENGTH | 10.725 INCHES | | FSC APPLICATION DATA | TELESCOPE,BC,M65,INTEGRATED WITH FIRE CONTROL EQUIPMENT | | INDIVIDUAL LENS STYLE | DOUBLE CONVEX AND PLANO-CONCAVE | | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-G-174, CLASS 1, GRADE B MIL SPEC SINGLE MATERIAL RESPONSE | | MATERIAL | GLASS OPTICAL | | REFRACTION INDEX | 1.5170 NOMINAL AND 1.6490 NOMINAL |
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