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National Stock Number:
6650-00-382-1881
Federal Supply Class:
6650
National Item Identification Number:
003821881
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:
| 685622PC1-2 | 10001 | NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER | | LD172589GP105REVD | 10001 | NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER | | LD172589GP44REVD | 10001 | NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER | | LD172589SHT11GP105 | 14001 | GRAYCO OPTICAL CORP | | LD172589SHT11GP105 | 20838 | OPTICS FOR INDUSTRY INC | | LD172589SHT11GP105 | 54985 | WOLLENSAK OPTICAL CO |
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Techincal Specification:
| ELEMENT LEFT SURFACE RADIUS | -1.614 INCHES AND 1.575 INCHES | | ELEMENT RIGHT SURFACE RADIUS | -1.614 INCHES | | ABBE CONSTANT | 57.500 AND 33.800 | | BACK FOCAL LENGTH | 2.700 INCHES | | AXIAL THICKNESS | 0.472 INCHES NOMINAL AND 0.118 INCHES NOMINAL | | COMPOUND LENS EDGE THICKNESS | 0.331 INCHES NOMINAL | | COMPOUND LENS OVERALL AXIAL THICKNESS | 0.591 INCHES NOMINAL | | COMPOUND LENS STYLE | DOUBLET | | DIAMETER | 1.535 INCHES NOMINAL | | EQUIVALENT FOCAL LENGTH | 3.111 INCHES | | FRONT FOCAL LENGTH | 3.156 INCHES | | FSC APPLICATION DATA | 1. OPTICAL SIGHTING AND RANGING EQUIPMENT | | INDIVIDUAL LENS STYLE | DOUBLE CONVEX AND PLANO-CONCAVE | | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-G-174, CLASS 1, GRADE C MIL SPEC SINGLE MATERIAL RESPONSE | | MATERIAL | GLASS OPTICAL | | REFRACTION INDEX | 1.5725 NOMINAL AND 1.6439 NOMINAL |
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