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National Stock Number:
6650-01-286-9541
Federal Supply Class:
6650
National Item Identification Number:
012869541
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:
| 717513352-001 | 04939 | LOCKHEED MARTIN CORPORATION |
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Techincal Specification:
| ELEMENT LEFT SURFACE RADIUS | 8.880 INCHES | | ELEMENT RIGHT SURFACE RADIUS | 0.000 INCHES | | AXIAL THICKNESS | 0.131 INCHES NOMINAL | | DIAMETER | 2.181 INCHES MINIMUM AND 2.191 INCHES MAXIMUM | | MATERIAL | GERMANIUM | | SINGLE LENS STYLE | PLANO-CONVEX | | SPECIAL FEATURES | VALUE FOR ELEMENT LEFT SURFACE RADIUS IS FOR UPPER PORTION,LOWER PORTION IS 29.670 IN. |
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