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National Stock Number:
6650-00-532-1552
Federal Supply Class:
6650
National Item Identification Number:
005321552
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:
| 5321552 | 19204 | ARMY, UNITED STATES DEPARTMENT OF THE | | Y56169 | 19139 | EASTMAN KODAK CO |
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Techincal Specification:
| ELEMENT LEFT SURFACE RADIUS | 4.559 INCHES | | ELEMENT RIGHT SURFACE RADIUS | -4.559 INCHES | | ABBE CONSTANT | 60.300 | | AXIAL THICKNESS | 0.413 INCHES NOMINAL | | BACK FOCAL LENGTH | 3.610 INCHES | | DIAMETER | 2.440 INCHES NOMINAL | | EQUIVALENT FOCAL LENGTH | 3.740 INCHES | | FSC APPLICATION DATA | TELESCOPE,M76C,INTEGRATED WITH FIRE CONTROL EQUIP | | INDIVIDUAL LENS STYLE | DOUBLE CONVEX | | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-G-174, CLASS 1, GRADE C, TYPE 620-603 MIL SPEC SINGLE MATERIAL RESPONSE | | MATERIAL | GLASS OPTICAL | | REFRACTION INDEX | 1.6200 NOMINAL | | SINGLE LENS STYLE | DOUBLE CONVEX |
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