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National Stock Number:
6650-00-155-1356
Federal Supply Class:
6650
National Item Identification Number:
001551356
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:
| 278694-8 | 10001 | NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER |
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Techincal Specification:
| ABBE CONSTANT | 57.700 AND 36.200 | | AXIAL THICKNESS | 0.118 INCHES NOMINAL AND 0.039 INCHES NOMINAL | | BACK FOCAL LENGTH | 1.033 INCHES | | COMPOUND LENS EDGE THICKNESS | 0.134 INCHES NOMINAL | | COMPOUND LENS OVERALL AXIAL THICKNESS | 0.157 INCHES NOMINAL | | COMPOUND LENS STYLE | DOUBLET | | DIAMETER | 0.315 INCHES NOMINAL | | EQUIVALENT FOCAL LENGTH | 1.110 INCHES | | FRONT FOCAL LENGTH | 1.065 INCHES | | FSC APPLICATION DATA | FIRE CONTROL,RANGE FINDER,MK 57 | | INDIVIDUAL LENS STYLE | DOUBLE CONVEX AND MENISCUS DIVERGING | | MATERIAL DOCUMENT AND CLASSIFICATION | JAN-G-174, GRADE C MIL SPEC SINGLE MATERIAL RESPONSE | | MATERIAL | GLASS OPTICAL | | REFRACTION INDEX | 1.5740 NOMINAL AND 1.6200 NOMINAL |
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