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National Stock Number:
6650-00-157-4138
Federal Supply Class:
6650
National Item Identification Number:
001574138
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:
| 203034PC9 | 10001 | NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER | | 799638 | 10001 | NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER | | 799638PC1 | 53711 | NAVAL SEA SYSTEMS COMMAND | | G8110PC9 | 74067 | KEUFFEL AND ESSER CO |
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Techincal Specification:
| ELEMENT LEFT SURFACE RADIUS | 117.4 MILLIMETERS AND -45.1 MILLIMETERS | | ELEMENT RIGHT SURFACE RADIUS | 45.1 MILLIMETERS AND 306.3 MILLIMETERS | | ABBE CONSTANT | 43.500 AND 63.700 | | AXIAL THICKNESS | 6.0 MILLIMETERS NOMINAL AND 3.0 MILLIMETERS NOMINAL | | BACK FOCAL LENGTH | 19.250 CENTIMETERS | | COMPOUND LENS OVERALL AXIAL THICKNESS | 9.0 MILLIMETERS NOMINAL | | COMPOUND LENS STYLE | DOUBLET | | DIAMETER | 31.0 MILLIMETERS NOMINAL | | EQUIVALENT FOCAL LENGTH | 19.430 CENTIMETERS | | INDIVIDUAL LENS STYLE | DOUBLE CONVEX AND MENISCUS DIVERGING | | MATERIAL DOCUMENT AND CLASSIFICATION | JAN-G-174 MIL SPEC SINGLE MATERIAL RESPONSE | | MATERIAL | GLASS OPTICAL | | REFRACTION INDEX | 1.5055 NOMINAL AND 1.5105 NOMINAL |
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