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National Stock Number:
6650-00-131-0660
Federal Supply Class:
6650
National Item Identification Number:
001310660
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:
| 176445PC10 | 10001 | NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER | | 176445PC10 | 64804 | BAUSCH AND LOMB INC OPTHALMIC INSTRUMENT DIV |
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Techincal Specification:
| ELEMENT LEFT SURFACE RADIUS | 1251.5 MILLIMETERS AND 261.9 MILLIMETERS | | ELEMENT RIGHT SURFACE RADIUS | -247.2 MILLIMETERS AND 408.4 MILLIMETERS | | ABBE CONSTANT | 36.600 AND 64.500 | | AXIAL THICKNESS | 9.0 MILLIMETERS NOMINAL AND 20.0 MILLIMETERS NOMINAL | | BACK FOCAL LENGTH | 71.680 CENTIMETERS | | COMPOUND LENS EDGE THICKNESS | 5.0 MILLIMETERS MINIMUM AND 6.0 MILLIMETERS MAXIMUM | | COMPOUND LENS OVERALL AXIAL THICKNESS | 41.0 MILLIMETERS NOMINAL | | COMPOUND LENS STYLE | DIALYTE | | DIAMETER | 83.0 MILLIMETERS NOMINAL | | EQUIVALENT FOCAL LENGTH | 76.230 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 1.5170 NOMINAL |
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