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National Stock Number:
6650-00-157-4145
Federal Supply Class:
6650
National Item Identification Number:
001574145
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:
| 203035PC12 | 10001 | NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER | | 203035PC12 | 53711 | NAVAL SEA SYSTEMS COMMAND | | G8111PC12 | 74067 | KEUFFEL AND ESSER CO |
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Techincal Specification:
| ELEMENT LEFT SURFACE RADIUS | 168.1 MILLIMETERS AND -48.9 MILLIMETERS | | ELEMENT RIGHT SURFACE RADIUS | 48.9 MILLIMETERS AND 151.6 MILLIMETERS | | ABBE CONSTANT | 36.600 AND 59.500 | | AXIAL THICKNESS | 4.0 MILLIMETERS NOMINAL AND 2.0 MILLIMETERS NOMINAL | | BACK FOCAL LENGTH | 19.330 CENTIMETERS | | COMPOUND LENS EDGE THICKNESS | 6.0 MILLIMETERS NOMINAL | | COMPOUND LENS OVERALL AXIAL THICKNESS | 6.0 MILLIMETERS NOMINAL | | COMPOUND LENS STYLE | DOUBLET | | DIAMETER | 22.0 MILLIMETERS NOMINAL | | EQUIVALENT FOCAL LENGTH | 19.532 CENTIMETERS | | FRONT FOCAL LENGTH | 19.327 CENTIMETERS | | INDIVIDUAL LENS STYLE | DOUBLE CONVEX AND MENISCUS DIVERGING | | MATERIAL | GLASS OPTICAL | | REFRACTION INDEX | 1.6170 NOMINAL AND 1.5185 NOMINAL |
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