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National Stock Number:
6650-00-045-8355
Federal Supply Class:
6650
National Item Identification Number:
000458355
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:
| 6650000458355 | A00AM | E.C.A ETABLISSEMENT CENTRAL DESAPPROVISIONNEMENTS DES FORCES ARMEE | | 8644280 | 19200 | US ARMY ARDEC RDECOM |
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Techincal Specification:
| ELEMENT LEFT SURFACE RADIUS | 51.105 MILLIMETERS | | ELEMENT RIGHT SURFACE RADIUS | 4.088 MILLIMETERS | | ABBE CONSTANT | 36.600 AND 58.600 | | AXIAL THICKNESS | 0.307 INCHES NOMINAL AND 0.715 INCHES NOMINAL | | BACK FOCAL LENGTH | 10.039 INCHES | | COMPOUND LENS EDGE THICKNESS | 1.000 INCHES NOMINAL | | COMPOUND LENS OVERALL AXIAL THICKNESS | 1.022 INCHES NOMINAL | | COMPOUND LENS STYLE | DOUBLET | | EQUIVALENT FOCAL LENGTH | 10.728 INCHES | | FRONT FOCAL LENGTH | 9.017 INCHES | | FSC APPLICATION DATA | COLLIMATOR,INF. AIMING REF,INTEGRATED WITH FIRE CONTROL EQUIP | | 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 | 1.6170 NOMINAL AND 1.5230 NOMINAL |
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