NSN 6650-00-382-1912
Part Details | OPTICAL INSTRUMENT LENS
6650-00-382-1912 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.
Alternate Parts: 727236PC1, 265862, LD172591PC17, LD172591GP17, LD172591PC17, G10100, 6650-00-382-1912, 00-382-1912, 6650003821912, 003821912
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 66 | JAN 01, 1963 | 00-382-1912 | 21884 ( LENS, OPTICAL INSTRUMENT ) |
REFERENCE DRAWINGS & PICTURES
DOUBLET
Cross Reference | NSN 6650-00-382-1912
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 727236PC1 | 10001 | NAVAIR AND NAVSEA MANAGEDORIGINAL DESIGN ACTIVITY DWG NOT |
| 265862 | 10001 | NAVAIR AND NAVSEA MANAGEDORIGINAL DESIGN ACTIVITY DWG NOT |
| LD172591PC17 | 10001 | NAVAIR AND NAVSEA MANAGEDORIGINAL DESIGN ACTIVITY DWG NOT |
| LD172591GP17 | 10001 | NAVAIR AND NAVSEA MANAGEDORIGINAL DESIGN ACTIVITY DWG NOT |
| LD172591PC17 | 53711 | NAVAL SEA SYSTEMS COMMAND |
| G10100 | 53711 | NAVAL SEA SYSTEMS COMMAND |
Technical Data | NSN 6650-00-382-1912
| Characteristic | Specifications |
|---|---|
| COMPOUND LENS STYLE | DOUBLET |
| INDIVIDUAL LENS STYLE | DOUBLE CONVEX AND PLANO-CONCAVE |
| DIAMETER | 20.0 MILLIMETERS NOMINAL |
| AXIAL THICKNESS | 4.0 MILLIMETERS NOMINAL AND 3.0 MILLIMETERS NOMINAL |
| COMPOUND LENS OVERALL AXIAL THICKNESS | 7.0 MILLIMETERS NOMINAL |
| COMPOUND LENS EDGE THICKNESS | 7.0 MILLIMETERS NOMINAL |
| ELEMENT LEFT SURFACE RADIUS | 771.3 MILLIMETERS AND -705.7 MILLIMETERS |
| ELEMENT RIGHT SURFACE RADIUS | 771.3 MILLIMETERS AND 0.0 MILLIMETERS |
| EQUIVALENT FOCAL LENGTH | C198.170$C120.870 |
| BACK FOCAL LENGTH | C196.060$C120.680 |
| REFRACTION INDEX | 1.5110 NOMINAL AND 1.5838 NOMINAL |
| ABBE CONSTANT | B63.500$$B46.000 |
