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National Stock Number:
6650-00-382-1923
Federal Supply Class:
6650
National Item Identification Number:
003821923
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:
| LD172592GP4 | 10001 | NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER | | LD172592GP4 | 53711 | NAVAL SEA SYSTEMS COMMAND | | LD172592PC4 | 10001 | NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER | | LD172592PC4 | 53711 | NAVAL SEA SYSTEMS COMMAND |
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Techincal Specification:
| ABBE CONSTANT | 64.300 AND 36.600 | | BACK FOCAL LENGTH | 1.094 INCHES | | AXIAL THICKNESS | 0.205 INCHES NOMINAL AND 0.039 INCHES NOMINAL | | COMPOUND LENS EDGE THICKNESS | 0.158 INCHES NOMINAL | | COMPOUND LENS OVERALL AXIAL THICKNESS | 0.244 INCHES NOMINAL | | COMPOUND LENS STYLE | DOUBLET | | DIAMETER | 0.547 INCHES NOMINAL | | EQUIVALENT FOCAL LENGTH | 1.094 INCHES | | FRONT FOCAL LENGTH | 0.933 INCHES | | FSC APPLICATION DATA | FIRE CONTROL,AUX TELESCOPE,MK1 | | INDIVIDUAL LENS STYLE | DOUBLE CONVEX AND MENISCUS DIVERGING | | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-G-174, CLASS 1, GRADE C MIL SPEC SINGLE MATERIAL RESPONSE | | MATERIAL | GLASS OPTICAL | | REFRACTION INDEX | 1.5170 NOMINAL AND 1.6210 NOMINAL |
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