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National Stock Number:
6650-00-382-1739
Federal Supply Class:
6650
National Item Identification Number:
003821739
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:
| 1040149 | 10001 | NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER | | 52470 | 21587 | OPTICAL TECHNOLOGY DEVICES INC |
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Techincal Specification:
| ELEMENT LEFT SURFACE RADIUS | 3.471 INCHES | | ELEMENT RIGHT SURFACE RADIUS | -5.331 INCHES | | ABBE CONSTANT | 51.800 | | AXIAL THICKNESS | 0.47244 INCHES NOMINAL | | BACK FOCAL LENGTH | 3.850 INCHES | | DIAMETER | 2.16338 INCHES MINIMUM AND 2.16535 INCHES MAXIMUM | | EQUIVALENT FOCAL LENGTH | 4.043 INCHES | | FRONT FOCAL LENGTH | 3.917 INCHES | | FSC APPLICATION DATA | 1. OPTICAL SIGHTING AND RANGING EQUIPMENT | | INDIVIDUAL LENS STYLE | DOUBLE CONVEX | | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-G-174, CLASS 1, GRADE B MIL SPEC SINGLE MATERIAL RESPONSE | | MATERIAL | GLASS OPTICAL | | REFRACTION INDEX | 1.5300 NOMINAL | | SINGLE LENS STYLE | DOUBLE CONVEX |
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