NSN 6650-00-157-4147
Part Details | OPTICAL INSTRUMENT LENS
6650-00-157-4147 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: G8111PC16, 203035PC16, 203035PC16, 6650-00-157-4147, 00-157-4147, 6650001574147, 001574147
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 66 | JAN 01, 1963 | 00-157-4147 | 21884 ( LENS, OPTICAL INSTRUMENT ) |
REFERENCE DRAWINGS & PICTURES
DOUBLET
Cross Reference | NSN 6650-00-157-4147
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| G8111PC16 | 34993 | KEUFFEL AND ESSER COLSE OPNS |
| 203035PC16 | 10001 | NAVAIR AND NAVSEA MANAGEDORIGINAL DESIGN ACTIVITY DWG NOT |
| 203035PC16 | 53711 | NAVAL SEA SYSTEMS COMMAND |
Technical Data | NSN 6650-00-157-4147
| Characteristic | Specifications |
|---|---|
| MATERIAL | GLASS OPTICAL |
| COMPOUND LENS STYLE | DOUBLET |
| INDIVIDUAL LENS STYLE | DOUBLE CONVEX AND MENISCUS DIVERGING |
| DIAMETER | 22.0 MILLIMETERS NOMINAL |
| AXIAL THICKNESS | 7.5 MILLIMETERS NOMINAL AND 2.0 MILLIMETERS NOMINAL |
| COMPOUND LENS OVERALL AXIAL THICKNESS | 9.5 MILLIMETERS NOMINAL |
| COMPOUND LENS EDGE THICKNESS | 5.0 MILLIMETERS NOMINAL |
| ELEMENT LEFT SURFACE RADIUS | 21.6 MILLIMETERS AND -17.3 MILLIMETERS |
| ELEMENT RIGHT SURFACE RADIUS | 17.3 MILLIMETERS AND 296.0 MILLIMETERS |
| EQUIVALENT FOCAL LENGTH | 4.084 CENTIMETERS |
| BACK FOCAL LENGTH | 3.451 CENTIMETERS |
| FRONT FOCAL LENGTH | 4.117 CENTIMETERS |
| REFRACTION INDEX | 1.6490 NOMINAL AND 1.5725 NOMINAL |
| ABBE CONSTANT | B33.800$$B57.400 |
| END ITEM IDENTIFICATION | RANGEFINDER MK42 |