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National Stock Number:
6650-00-382-0654
Federal Supply Class:
6650
National Item Identification Number:
003820654
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:
| 176445PC25 | 10001 | NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER | | 176445PC25 | 4L762 | BAUSCH AND LOMB INC OPTICAL SYSTEMS DIV OPTICAL CENTER |
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Techincal Specification:
| ELEMENT LEFT SURFACE RADIUS | 0.0 MILLIMETERS AND 10.0 MILLIMETERS | | ELEMENT RIGHT SURFACE RADIUS | -10.0 MILLIMETERS AND 12.2 MILLIMETERS | | ABBE CONSTANT | 55.2000 AND 36.7000 | | BACK FOCAL LENGTH | 19.720 CENTIMETERS | | AXIAL THICKNESS | 1.0 MILLIMETERS NOMINAL AND 2.0 MILLIMETERS NOMINAL | | COMPOUND LENS EDGE THICKNESS | 3.0 MILLIMETERS NOMINAL | | COMPOUND LENS OVERALL AXIAL THICKNESS | 3.0 MILLIMETERS NOMINAL | | COMPOUND LENS STYLE | DOUBLET | | DIAMETER | 16.0 MILLIMETERS NOMINAL | | EQUIVALENT FOCAL LENGTH | 19.720 CENTIMETERS | | FRONT FOCAL LENGTH | 19.540 CENTIMETERS | | INDIVIDUAL LENS STYLE | DOUBLE CONVEX AND PLANO-CONCAVE | | MATERIAL | GLASS OPTICAL | | REFRACTION INDEX | 1.6152 NOMINAL AND 1.6167 NOMINAL |
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