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National Stock Number:
6650-00-382-1889
Federal Supply Class:
6650
National Item Identification Number:
003821889
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:
| 511502 | 10001 | NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER | | LD172589GP117 | 10001 | NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER |
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Techincal Specification:
| ELEMENT RIGHT SURFACE RADIUS | -1.248 INCHES | | ELEMENT LEFT SURFACE RADIUS | -1.248 INCHES AND 3.937 INCHES | | ABBE CONSTANT | 29.300 AND 57.700 | | AXIAL THICKNESS | 0.079 INCHES NOMINAL AND 0.193 INCHES NOMINAL | | BACK FOCAL LENGTH | 5.776 INCHES | | COMPOUND LENS EDGE THICKNESS | 0.221 INCHES NOMINAL | | COMPOUND LENS OVERALL AXIAL THICKNESS | 0.272 INCHES NOMINAL | | COMPOUND LENS STYLE | DOUBLET | | DIAMETER | 0.847 INCHES NOMINAL | | EQUIVALENT FOCAL LENGTH | 7.205 INCHES | | FRONT FOCAL LENGTH | 5.217 INCHES | | FSC APPLICATION DATA | FIRE CONTROL,TELESCOPE,MK 104 MOD 0 | | INDIVIDUAL LENS STYLE | DOUBLE CONVEX AND DOUBLE CONCAVE | | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-G-174, CLASS 1, GRADE C MIL SPEC SINGLE MATERIAL RESPONSE | | MATERIAL | GLASS OPTICAL | | REFRACTION INDEX | 1.7200 NOMINAL AND 1.5740 NOMINAL |
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