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National Stock Number:
6650-00-518-5193
Federal Supply Class:
6650
National Item Identification Number:
005185193
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:
| 1240005185193 | A00AM | E.C.A ETABLISSEMENT CENTRAL DESAPPROVISIONNEMENTS DES FORCES ARMEE | | 5185193 | 19200 | US ARMY ARDEC RDECOM | | 6650005185193 | A00AM | E.C.A ETABLISSEMENT CENTRAL DESAPPROVISIONNEMENTS DES FORCES ARMEE |
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Techincal Specification:
| ELEMENT LEFT SURFACE RADIUS | 3.130 INCHES | | ELEMENT RIGHT SURFACE RADIUS | 2.047 INCHES | | ABBE CONSTANT | 59.900 AND 36.200 | | AXIAL THICKNESS | 0.220 INCHES NOMINAL AND 0.118 INCHES NOMINAL | | BACK FOCAL LENGTH | 5.012 INCHES | | COMPOUND LENS EDGE THICKNESS | 0.225 INCHES NOMINAL | | COMPOUND LENS STYLE | DOUBLET | | DIAMETER | 1.259 INCHES NOMINAL | | EQUIVALENT FOCAL LENGTH | 5.191 INCHES | | FSC APPLICATION DATA | BINOCULAR,FIRE CONTROL | | INDIVIDUAL LENS STYLE | DOUBLE CONVEX AND MENISCUS CONVERGING | | MATERIAL DOCUMENT AND CLASSIFICATION | JAN-G-174, GRADE C MIL SPEC SINGLE MATERIAL RESPONSE | | MATERIAL | GLASS OPTICAL | | REFRACTION INDEX | 1.5411 NOMINAL AND 1.6210 NOMINAL |
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