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National Stock Number:
6650-00-903-5418
Federal Supply Class:
6650
National Item Identification Number:
009035418
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:
| 8216007 | 19200 | US ARMY ARDEC RDECOM |
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Techincal Specification:
| ABBE CONSTANT | 60.300 | | AXIAL THICKNESS | 0.428 INCHES NOMINAL | | BACK FOCAL LENGTH | 3.686 INCHES | | DIAMETER | 2.150 INCHES NOMINAL | | ELEMENT LEFT SURFACE RADIUS | 2.212 INCHES | | ELEMENT RIGHT SURFACE RADIUS | 19.747 INCHES | | EQUIVALENT FOCAL LENGTH | 3.981 INCHES | | FRONT FOCAL LENGTH | 3.258 INCHES | | FSC APPLICATION DATA | PERISCOPE,XM44 | | INDIVIDUAL LENS STYLE | MENISCUS CONVERGING | | 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 | MENISCUS CONVERGING |
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