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National Stock Number:
6650-00-389-3507
Federal Supply Class:
6650
National Item Identification Number:
003893507
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:
| 105367PC12 | 10001 | NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER | | 105367PC12 | 53711 | NAVAL SEA SYSTEMS COMMAND | | 21272-FPC12 | 4L762 | BAUSCH AND LOMB INC OPTICAL SYSTEMS DIV OPTICAL CENTER |
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Techincal Specification:
| ABBE CONSTANT | 57.600 AND 36.600 | | AXIAL THICKNESS | 2.0 MILLIMETERS NOMINAL AND 1.0 MILLIMETERS NOMINAL | | BACK FOCAL LENGTH | 3.112 CENTIMETERS | | COMPOUND LENS OVERALL AXIAL THICKNESS | 3.0 MILLIMETERS NOMINAL | | COMPOUND LENS STYLE | DOUBLET | | DIAMETER | 26.0 MILLIMETERS NOMINAL | | ELEMENT LEFT SURFACE RADIUS | 26.5 MILLIMETERS AND -48.6 MILLIMETERS | | ELEMENT RIGHT SURFACE RADIUS | 48.6 MILLIMETERS AND 46.0 MILLIMETERS | | EQUIVALENT FOCAL LENGTH | 3.236 CENTIMETERS | | FRONT FOCAL LENGTH | 3.168 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 | 1.5740 NOMINAL AND 1.6170 NOMINAL |
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