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National Stock Number:
6650-00-157-4140
Federal Supply Class:
6650
National Item Identification Number:
001574140
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:
| 203034 | 10001 | NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER | | 203034PC16 | 10001 | NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER | | 799639PC1 | 10001 | NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER | | G8110PC16 | 74067 | KEUFFEL AND ESSER CO |
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Techincal Specification:
| ELEMENT RIGHT SURFACE RADIUS | 23.9 MILLIMETERS AND 345.5 MILLIMETERS | | ELEMENT LEFT SURFACE RADIUS | 25.6 MILLIMETERS AND -23.9 MILLIMETERS | | ABBE CONSTANT | 33.800 AND 57.400 | | AXIAL THICKNESS | 8.5 MILLIMETERS NOMINAL AND 2.0 MILLIMETERS NOMINAL | | BACK FOCAL LENGTH | 4.033 CENTIMETERS | | COMPOUND LENS OVERALL AXIAL THICKNESS | 10.5 MILLIMETERS NOMINAL | | COMPOUND LENS STYLE | DOUBLET | | DIAMETER | 27.0 MILLIMETERS NOMINAL | | EQUIVALENT FOCAL LENGTH | 4.715 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 | 1.6490 NOMINAL AND 1.5725 NOMINAL |
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