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National Stock Number:
6650-00-504-5960
Federal Supply Class:
6650
National Item Identification Number:
005045960
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:
| 5045960 | 19200 | US ARMY ARDEC RDECOM | | 6650005045960 | A00AM | E.C.A ETABLISSEMENT CENTRAL DESAPPROVISIONNEMENTS DES FORCES ARMEE |
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Techincal Specification:
| ELEMENT LEFT SURFACE RADIUS | 2.724 INCHES | | ELEMENT RIGHT SURFACE RADIUS | 1.196 INCHES | | ABBE CONSTANT | 33.800 AND 64.500 | | BACK FOCAL LENGTH | 2.491 INCHES | | AXIAL THICKNESS | 0.086 INCHES NOMINAL AND 0.361 INCHES NOMINAL | | COMPOUND LENS EDGE THICKNESS | 0.244 INCHES NOMINAL | | COMPOUND LENS OVERALL AXIAL THICKNESS | 0.447 INCHES NOMINAL | | COMPOUND LENS STYLE | DOUBLET | | DIAMETER | 1.341 INCHES NOMINAL | | EQUIVALENT FOCAL LENGTH | 2.603 INCHES | | FSC APPLICATION DATA | TELESCOPE,ELBOW,M5 INTEGRATED WITH FIRE CONTROL EQUIPMENT | | INDIVIDUAL LENS STYLE | MENISCUS DIVERGING AND DOUBLE CONVEX | | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-G-174, CLASS 1, GRADE C MIL SPEC SINGLE MATERIAL RESPONSE | | MATERIAL | GLASS OPTICAL | | REFRACTION INDEX | 1.6490 NOMINAL AND 1.5170 NOMINAL |
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