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National Stock Number:
6650-00-382-1749
Federal Supply Class:
6650
National Item Identification Number:
003821749
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:
| 1168862 | 10001 | NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER | | 20832 | 21587 | OPTICAL TECHNOLOGY DEVICES INC |
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Techincal Specification:
| BACK FOCAL LENGTH | 19.490 CENTIMETERS | | AXIAL THICKNESS | 3.7 MILLIMETERS NOMINAL AND 7.5 MILLIMETERS NOMINAL | | COMPOUND LENS EDGE THICKNESS | 11.0 MILLIMETERS NOMINAL | | COMPOUND LENS OVERALL AXIAL THICKNESS | 11.2 MILLIMETERS NOMINAL | | COMPOUND LENS STYLE | DOUBLET | | DIAMETER | 50.0 MILLIMETERS NOMINAL | | EQUIVALENT FOCAL LENGTH | 18.460 CENTIMETERS | | FRONT FOCAL LENGTH | 18.170 CENTIMETERS | | INDIVIDUAL LENS STYLE | DOUBLE CONCAVE AND DOUBLE CONVEX | | MATERIAL | GLASS OPTICAL |
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