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National Stock Number:
6650-00-300-6594
Federal Supply Class:
6650
National Item Identification Number:
003006594
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:
| 7633293 | 19200 | US ARMY ARDEC RDECOM |
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Techincal Specification:
| ELEMENT LEFT SURFACE RADIUS | -8.821 INCHES AND 7.800 INCHES | | ELEMENT RIGHT SURFACE RADIUS | -8.821 INCHES AND 0.000 INCHES | | ABBE CONSTANT | 51.600 AND 38.500 | | AXIAL THICKNESS | 0.165 INCHES NOMINAL AND 0.125 INCHES NOMINAL | | BACK FOCAL LENGTH | 17.091 INCHES | | COMPOUND LENS OVERALL AXIAL THICKNESS | 0.290 INCHES NOMINAL | | COMPOUND LENS STYLE | DOUBLET | | COMPOUND LENS EDGE THICKNESS | 0.264 INCHES NOMINAL | | DIAMETER | 1.280 INCHES NOMINAL | | EQUIVALENT FOCAL LENGTH | 17.295 INCHES | | FRONT FOCAL LENGTH | 16.801 INCHES | | FSC APPLICATION DATA | TELESCOPE,T150E1,INTEGRATED WITH FIRE CONTROL EQUIP | | INDIVIDUAL LENS STYLE | DOUBLE CONVEX AND PLANO-CONCAVE | | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-G-174, CLASS 1, GRADE B MIL SPEC SINGLE MATERIAL RESPONSE | | MATERIAL | GLASS OPTICAL | | REFRACTION INDEX | 1.5286 NOMINAL AND 1.6170 NOMINAL |
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