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National Stock Number:
6650-00-382-1740
Federal Supply Class:
6650
National Item Identification Number:
003821740
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:
| 1040156 | 10001 | NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER | | 52478 | 21587 | OPTICAL TECHNOLOGY DEVICES INC |
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Techincal Specification:
| ELEMENT LEFT SURFACE RADIUS | -13.154 INCHES | | ELEMENT RIGHT SURFACE RADIUS | -2.015 INCHES | | ABBE CONSTANT | 56.200 | | AXIAL THICKNESS | 0.35433 INCHES NOMINAL | | BACK FOCAL LENGTH | 3.409 INCHES | | COMPOUND LENS EDGE THICKNESS | 0.12834 INCHES NOMINAL | | COMPOUND LENS OVERALL AXIAL THICKNESS | 0.35433 INCHES NOMINAL | | DIAMETER | 1.99212 INCHES NOMINAL | | EQUIVALENT FOCAL LENGTH | 3.370 INCHES | | FRONT FOCAL LENGTH | 3.126 INCHES | | FSC APPLICATION DATA | 1. FIRE CONTROL TELESCOPE MK 102 MOD 3 | | INDIVIDUAL LENS STYLE | MENISCUS CONVERGING | | MATERIAL DOCUMENT AND CLASSIFICATION | JAN-G-174, GRADE B MIL SPEC SINGLE MATERIAL RESPONSE | | MATERIAL | GLASS OPTICAL | | REFRACTION INDEX | 1.6968 NOMINAL | | SINGLE LENS STYLE | MENISCUS CONVERGING |
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