NSN 6650-00-382-0924
Part Details | OPTICAL INSTRUMENT LENS
6650-00-382-0924 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: G8840PC8, 220588PC8, 6650-00-382-0924, 00-382-0924, 6650003820924, 003820924
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 66 | JAN 01, 1963 | 00-382-0924 | 21884 ( LENS, OPTICAL INSTRUMENT ) |
REFERENCE DRAWINGS & PICTURES
DOUBLET
Cross Reference | NSN 6650-00-382-0924
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| G8840PC8 | 34993 | KEUFFEL AND ESSER COLSE OPNS |
| 220588PC8 | 10001 | NAVAIR AND NAVSEA MANAGEDORIGINAL DESIGN ACTIVITY DWG NOT |
Technical Data | NSN 6650-00-382-0924
| Characteristic | Specifications |
|---|---|
| COMPOUND LENS STYLE | DOUBLET |
| INDIVIDUAL LENS STYLE | DOUBLE CONCAVE AND DOUBLE CONVEX |
| DIAMETER | 17.0 MILLIMETERS NOMINAL |
| AXIAL THICKNESS | 2.0 MILLIMETERS NOMINAL AND 4.0 MILLIMETERS NOMINAL |
| COMPOUND LENS OVERALL AXIAL THICKNESS | 6.0 MILLIMETERS NOMINAL |
| COMPOUND LENS EDGE THICKNESS | 5.0 MILLIMETERS NOMINAL |
| ELEMENT LEFT SURFACE RADIUS | -154.0 MILLIMETERS AND 18.9 MILLIMETERS |
| ELEMENT RIGHT SURFACE RADIUS | -18.9 MILLIMETERS AND 47.6 MILLIMETERS |
| EQUIVALENT FOCAL LENGTH | 87.480 CENTIMETERS |
| BACK FOCAL LENGTH | 87.500 CENTIMETERS |
| FRONT FOCAL LENGTH | 84.560 CENTIMETERS |
| REFRACTION INDEX | 1.6158 NOMINAL AND 1.5408 NOMINAL |
| ABBE CONSTANT | B36.800$$B51.200 |
| END ITEM IDENTIFICATION | RANGEFINDER MK42 |
