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National Stock Number:
6650-00-622-4891
Federal Supply Class:
6650
National Item Identification Number:
006224891
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:
| 1240006224891 | A00AM | E.C.A ETABLISSEMENT CENTRAL DESAPPROVISIONNEMENTS DES FORCES ARMEE | | 1240006224891 | SCY13 | E.C.A ETABLISSEMENT CENTRALD'APPROVISIONNEMENT DES FORCES ARMEE | | 8289259 | 19200 | US ARMY ARDEC RDECOM |
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Techincal Specification:
| ELEMENT LEFT SURFACE RADIUS | 2.892 INCHES | | ELEMENT RIGHT SURFACE RADIUS | 6.810 INCHES | | ABBE CONSTANT | 60.300 | | AXIAL THICKNESS | 0.360 INCHES NOMINAL | | BACK FOCAL LENGTH | 3.163 INCHES | | DIAMETER | 1.650 INCHES NOMINAL | | EQUIVALENT FOCAL LENGTH | 3.321 INCHES | | FSC APPLICATION DATA | PERISCOPE,INTEGRATED WITH FIRE CONTROL EQUIPMENT | | INDIVIDUAL LENS STYLE | DOUBLE CONVEX | | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-G-174, CLASS 1, GRADE C MIL SPEC SINGLE MATERIAL RESPONSE | | MATERIAL | GLASS OPTICAL | | REFRACTION INDEX | 1.6200 NOMINAL | | SINGLE LENS STYLE | DOUBLE CONVEX |
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