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National Stock Number:
6650-00-904-5683
Federal Supply Class:
6650
National Item Identification Number:
009045683
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:
| 8216013 | 17578 | STERLING PRECISIONS OPTICS INC | | 8216013 | 19200 | US ARMY ARDEC RDECOM |
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Techincal Specification:
| ABBE CONSTANT | 58.600 | | AXIAL THICKNESS | 0.312 INCHES NOMINAL | | BACK FOCAL LENGTH | -76.700 INCHES | | DIAMETER | 1.875 INCHES NOMINAL | | EQUIVALENT FOCAL LENGTH | -76.482 INCHES | | FRONT FOCAL LENGTH | -75.688 INCHES | | FSC APPLICATION DATA | PERISCOPE,XM44 | | INDIVIDUAL LENS STYLE | PLANO-CONCAVE | | LENGTH | 4.750 INCHES NOMINAL | | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-G-174, CLASS 1, GRADE C MIL SPEC SINGLE MATERIAL RESPONSE | | MATERIAL | GLASS OPTICAL | | REFRACTION INDEX | 1.5230 NOMINAL | | SINGLE LENS STYLE | PLANO-CONCAVE | | SPECIAL FEATURES | NON |
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