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National Stock Number:
6650-00-155-1614
Federal Supply Class:
6650
National Item Identification Number:
001551614
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:
| 279495PC4 | 10001 | NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER | | 279495PC4 | 74067 | KEUFFEL AND ESSER CO |
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Techincal Specification:
| ELEMENT LEFT SURFACE RADIUS | 111.5 MILLIMETERS | | ELEMENT RIGHT SURFACE RADIUS | 0.0 MILLIMETERS | | ABBE CONSTANT | 63.400 | | AXIAL THICKNESS | 4.3 MILLIMETERS NOMINAL | | BACK FOCAL LENGTH | 21.530 CENTIMETERS | | DIAMETER | 43.0 MILLIMETERS NOMINAL | | EQUIVALENT FOCAL LENGTH | 21.820 CENTIMETERS | | FRONT FOCAL LENGTH | 21.820 CENTIMETERS | | MATERIAL | GLASS BOROSILICATE | | REFRACTION INDEX | 1.5110 NOMINAL | | SINGLE LENS STYLE | PLANO-CONVEX |
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