NSN 6650-00-382-1749
Part Details | OPTICAL INSTRUMENT LENS
6650-00-382-1749 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: 1168862, 20832, 6650-00-382-1749, 00-382-1749, 6650003821749, 003821749
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 66 | JAN 01, 1963 | 00-382-1749 | 21884 ( LENS, OPTICAL INSTRUMENT ) |
REFERENCE DRAWINGS & PICTURES
DOUBLET
Cross Reference | NSN 6650-00-382-1749
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 1168862 | 10001 | NAVAIR AND NAVSEA MANAGEDORIGINAL DESIGN ACTIVITY DWG NOT |
| 20832 | 21587 | OPTICAL TECHNOLOGY DEVICES INC |
Technical Data | NSN 6650-00-382-1749
| Characteristic | Specifications |
|---|---|
| MATERIAL | GLASS OPTICAL |
| COMPOUND LENS STYLE | DOUBLET |
| INDIVIDUAL LENS STYLE | DOUBLE CONCAVE AND DOUBLE CONVEX |
| DIAMETER | 50.0 MILLIMETERS NOMINAL |
| AXIAL THICKNESS | 3.7 MILLIMETERS NOMINAL AND 7.5 MILLIMETERS NOMINAL |
| COMPOUND LENS OVERALL AXIAL THICKNESS | 11.2 MILLIMETERS NOMINAL |
| COMPOUND LENS EDGE THICKNESS | 11.0 MILLIMETERS NOMINAL |
| EQUIVALENT FOCAL LENGTH | 18.460 CENTIMETERS |
| BACK FOCAL LENGTH | 19.490 CENTIMETERS |
| FRONT FOCAL LENGTH | 18.170 CENTIMETERS |