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National Stock Number:
6650-00-320-0802
Federal Supply Class:
6650
National Item Identification Number:
003200802
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:
| 175986PC9 | 06175 | BAUSCH & LOMB INC | | 175986PC9 | 10001 | NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER | | 175986PC9 | 53711 | NAVAL SEA SYSTEMS COMMAND |
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Techincal Specification:
| ELEMENT LEFT SURFACE RADIUS | 237.9 MILLIMETERS AND 13.6 MILLIMETERS | | ELEMENT RIGHT SURFACE RADIUS | 13.8 MILLIMETERS AND 26.0 MILLIMETERS | | BACK FOCAL LENGTH | 49.650 CENTIMETERS | | AXIAL THICKNESS | 1.0 MILLIMETERS NOMINAL AND 8.6 MILLIMETERS NOMINAL | | COMPOUND LENS STYLE | DOUBLET | | COMPOUND LENS OVERALL AXIAL THICKNESS | 9.6 MILLIMETERS NOMINAL | | DIAMETER | 21.0 MILLIMETERS NOMINAL | | EQUIVALENT FOCAL LENGTH | 57.890 CENTIMETERS | | FRONT FOCAL LENGTH | 60.130 CENTIMETERS | | INDIVIDUAL LENS STYLE | PLANO-CONCAVE AND DOUBLE CONVEX | | MATERIAL DOCUMENT AND CLASSIFICATION | JAN-G-174 MIL SPEC SINGLE MATERIAL RESPONSE | | MATERIAL | GLASS OPTICAL | | REFRACTION INDEX | 1.6490 NOMINAL AND 1.5170 NOMINAL |
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