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National Stock Number:
6650-00-848-9892
Federal Supply Class:
6650
National Item Identification Number:
008489892
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:
| 8587319 | 19200 | US ARMY ARDEC RDECOM |
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Techincal Specification:
| ELEMENT LEFT SURFACE RADIUS | 6.532 INCHES | | ELEMENT RIGHT SURFACE RADIUS | 0.931 INCHES | | ABBE CONSTANT | 57.200 | | BACK FOCAL LENGTH | 1.774 INCHES | | AXIAL THICKNESS | 0.167 INCHES NOMINAL | | DIAMETER | 0.834 INCHES NOMINAL | | EQUIVALENT FOCAL LENGTH | 1.757 INCHES | | FSC APPLICATION DATA | TELESCOPE,PANORAMIC,INTEGRATED WITH FIRE CONTROL EQUIPMENT | | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-G-174, CLASS 1, GRADE C MIL SPEC SINGLE MATERIAL RESPONSE | | MATERIAL | GLASS OPTICAL | | REFRACTION INDEX | 1.6109 NOMINAL | | SINGLE LENS STYLE | PLANO-CONVEX | | SPECIAL FEATURES | MAGNESIUM FLUORIDE COATING LEFT AND RIGHT SURFACES |
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