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National Stock Number:
6650-00-399-8980
Federal Supply Class:
6650
National Item Identification Number:
003998980
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:
| 238574PC4 | 10001 | NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER | | 238574PC4 | 30003 | NAVAL AIR SYSTEMS COMMAND MANAGED ORIGINAL DESIGN ACTIVITY NOT MATERIAL/PARTS SUPPLIER |
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Techincal Specification:
| ELEMENT RIGHT SURFACE RADIUS | 280.0 MILLIMETERS | | ELEMENT LEFT SURFACE RADIUS | 120.0 MILLIMETERS | | ABBE CONSTANT | 84.600 | | AXIAL THICKNESS | 4.7 MILLIMETERS NOMINAL | | DIAMETER | 84.6 MILLIMETERS NOMINAL | | MATERIAL | GLASS | | REFRACTION INDEX | 1.6206 NOMINAL | | SINGLE LENS STYLE | DOUBLE CONCAVE |
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