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National Stock Number:
6650-00-964-9274
Federal Supply Class:
6650
National Item Identification Number:
009649274
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:
| 8626471 | 14001 | GRAYCO OPTICAL CORP | | 8626471 | 19200 | US ARMY ARDEC RDECOM | | 8626471 | 64281 | J M L OPTICAL INDUSTRIES, INC. |
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Techincal Specification:
| ELEMENT LEFT SURFACE RADIUS | 5.562 INCHES AND -5.562 INCHES | | ELEMENT RIGHT SURFACE RADIUS | -5.562 INCHES AND 0.000 INCHES | | BACK FOCAL LENGTH | 12.642 INCHES | | AXIAL THICKNESS | 0.255 INCHES NOMINAL AND 0.121 INCHES NOMINAL | | COMPOUND LENS OVERALL AXIAL THICKNESS | 0.356 INCHES MINIMUM AND 0.396 INCHES MAXIMUM | | COMPOUND LENS STYLE | DOUBLET | | DIAMETER | 1.697 INCHES MINIMUM AND 1.700 INCHES MAXIMUM | | EQUIVALENT FOCAL LENGTH | 12.920 INCHES | | FSC APPLICATION DATA | TELESCOPE | | INDIVIDUAL LENS STYLE | DOUBLE CONVEX AND PLANO-CONCAVE | | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-G-174,CLASS 1,GRADE C,TYPE 617-366 MIL SPEC 1ST MATERIAL RESPONSE AND MIL-G-174,CLASS 1,GRADE C,TYPE 523-586 MIL SPEC 2ND MATERIAL RESPONSE | | MATERIAL | GLASS OPTICAL |
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