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National Stock Number:
6650-00-131-0674
Federal Supply Class:
6650
National Item Identification Number:
001310674
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:
| 176446PC4 | 10001 | NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER | | 176446PC4 | 64804 | BAUSCH AND LOMB INC OPTHALMIC INSTRUMENT DIV |
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Techincal Specification:
| ELEMENT LEFT SURFACE RADIUS | 153.7 MILLIMETERS AND -175.9 MILLIMETERS | | ELEMENT RIGHT SURFACE RADIUS | 179.3 MILLIMETERS AND -2090.2 MILLIMETERS | | ABBE CONSTANT | 60.500 AND 36.600 | | AXIAL THICKNESS | 3.0 MILLIMETERS NOMINAL AND 1.2 MILLIMETERS NOMINAL | | COMPOUND LENS EDGE THICKNESS | 4.0 MILLIMETERS NOMINAL | | COMPOUND LENS OVERALL AXIAL THICKNESS | 4.2 MILLIMETERS NOMINAL | | COMPOUND LENS STYLE | DIALYTE | | DIAMETER | 20.0 MILLIMETERS NOMINAL | | EQUIVALENT FOCAL LENGTH | 41.718 CENTIMETERS | | INDIVIDUAL LENS STYLE | DOUBLE CONVEX AND DOUBLE CONCAVE | | MATERIAL | GLASS | | REFRACTION INDEX | 1.5125 NOMINAL AND 1.6170 NOMINAL |
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