NSN 6650-00-382-0654
Part Details | OPTICAL INSTRUMENT LENS
6650-00-382-0654 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: 176445PC25, 176445PC25, 6650-00-382-0654, 00-382-0654, 6650003820654, 003820654
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 66 | JAN 01, 1963 | 00-382-0654 | 21884 ( LENS, OPTICAL INSTRUMENT ) |
REFERENCE DRAWINGS & PICTURES
DOUBLET
Cross Reference | NSN 6650-00-382-0654
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 176445PC25 | 4L762 | BAUSCH AND LOMB INCOPTICAL SYSTEMS DIV |
| 176445PC25 | 10001 | NAVAIR AND NAVSEA MANAGEDORIGINAL DESIGN ACTIVITY DWG NOT |
Technical Data | NSN 6650-00-382-0654
| Characteristic | Specifications |
|---|---|
| MATERIAL | GLASS OPTICAL |
| COMPOUND LENS STYLE | DOUBLET |
| INDIVIDUAL LENS STYLE | DOUBLE CONVEX AND PLANO-CONCAVE |
| DIAMETER | 16.0 MILLIMETERS NOMINAL |
| AXIAL THICKNESS | 1.0 MILLIMETERS NOMINAL AND 2.0 MILLIMETERS NOMINAL |
| COMPOUND LENS OVERALL AXIAL THICKNESS | 3.0 MILLIMETERS NOMINAL |
| COMPOUND LENS EDGE THICKNESS | 3.0 MILLIMETERS NOMINAL |
| ELEMENT LEFT SURFACE RADIUS | 0.0 MILLIMETERS AND 10.0 MILLIMETERS |
| ELEMENT RIGHT SURFACE RADIUS | -10.0 MILLIMETERS AND 12.2 MILLIMETERS |
| EQUIVALENT FOCAL LENGTH | 19.720 CENTIMETERS |
| BACK FOCAL LENGTH | 19.720 CENTIMETERS |
| FRONT FOCAL LENGTH | 19.540 CENTIMETERS |
| REFRACTION INDEX | 1.6152 NOMINAL AND 1.6167 NOMINAL |
| ABBE CONSTANT | B55.2000$$B36.7000 |