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National Stock Number:
6650-00-143-1604
Federal Supply Class:
6650
National Item Identification Number:
001431604
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:
| 265862PC15 | 10001 | NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER | | G10100PC15 | 34993 | KEUFFEL AND ESSER CO LSE OPNS |
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Techincal Specification:
| ELEMENT LEFT SURFACE RADIUS | 269.6 MILLIMETERS AND 87.8 MILLIMETERS | | ELEMENT RIGHT SURFACE RADIUS | -87.8 MILLIMETERS AND 304.0 MILLIMETERS | | ABBE CONSTANT | 36.600 AND 59.600 | | AXIAL THICKNESS | 2.0 MILLIMETERS NOMINAL AND 4.0 MILLIMETERS NOMINAL | | BACK FOCAL LENGTH | 34.730 CENTIMETERS | | COMPOUND LENS OVERALL AXIAL THICKNESS | 6.0 MILLIMETERS NOMINAL | | COMPOUND LENS STYLE | DOUBLET | | DIAMETER | 22.0 MILLIMETERS NOMINAL | | EQUIVALENT FOCAL LENGTH | 34.940 CENTIMETERS | | FRONT FOCAL LENGTH | 34.760 CENTIMETERS | | INDIVIDUAL LENS STYLE | MENISCUS DIVERGING AND DOUBLE CONVEX | | MATERIAL DOCUMENT AND CLASSIFICATION | JAN-G-174 MIL SPEC SINGLE MATERIAL RESPONSE | | MATERIAL | GLASS OPTICAL | | REFRACTION INDEX | 1.6170 NOMINAL AND 1.5185 NOMINAL |
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