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National Stock Number:
6650-00-382-1259
Federal Supply Class:
6650
National Item Identification Number:
003821259
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:
| 274197PC3 | 10001 | NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER |
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Techincal Specification:
| ABBE CONSTANT | 64.400 | | BACK FOCAL LENGTH | 17.398 INCHES | | AXIAL THICKNESS | 0.4330 INCHES NOMINAL | | COMPOUND LENS EDGE THICKNESS | 0.3445 INCHES NOMINAL | | COMPOUND LENS OVERALL AXIAL THICKNESS | 0.4330 INCHES NOMINAL | | DIAMETER | 3.3858 INCHES NOMINAL | | EQUIVALENT FOCAL LENGTH | 17.772 INCHES | | FRONT FOCAL LENGTH | 17.772 INCHES | | MATERIAL DOCUMENT AND CLASSIFICATION | JAN-G-174, GRADE C MIL SPEC SINGLE MATERIAL RESPONSE | | MATERIAL | GLASS OPTICAL | | REFRACTION INDEX | 1.5169 NOMINAL | | SINGLE LENS STYLE | PLANO-CONVEX |
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