NSN 6650-00-382-0650
Part Details | OPTICAL INSTRUMENT LENS
6650-00-382-0650 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: 176445PC21, 6650-00-382-0650, 00-382-0650, 6650003820650, 003820650
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 66 | JAN 01, 1963 | 00-382-0650 | 21884 ( LENS, OPTICAL INSTRUMENT ) |
REFERENCE DRAWINGS & PICTURES
DOUBLET
Cross Reference | NSN 6650-00-382-0650
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 176445PC21 | 10001 | NAVAIR AND NAVSEA MANAGEDORIGINAL DESIGN ACTIVITY DWG NOT |
Technical Data | NSN 6650-00-382-0650
| Characteristic | Specifications |
|---|---|
| COMPOUND LENS STYLE | DOUBLET |
| INDIVIDUAL LENS STYLE | PLANO-CONVEX AND DOUBLE CONCAVE |
| DIAMETER | 0.708 INCHES NOMINAL |
| AXIAL THICKNESS | 0.078 INCHES NOMINAL AND 0.031 INCHES NOMINAL |
| COMPOUND LENS OVERALL AXIAL THICKNESS | 0.110 INCHES NOMINAL |
| COMPOUND LENS EDGE THICKNESS | 0.167 INCHES NOMINAL |
| ELEMENT LEFT SURFACE RADIUS | -1.216 INCHES |
| ELEMENT RIGHT SURFACE RADIUS | -1.216 INCHES AND 1.219 INCHES |
| EQUIVALENT FOCAL LENGTH | 2.224 INCHES |
| BACK FOCAL LENGTH | 2.338 INCHES |
| FRONT FOCAL LENGTH | 2.241 INCHES |
| REFRACTION INDEX | 1.6460 NOMINAL AND 1.5720 NOMINAL |
| ABBE CONSTANT | B34.000$$B57.500 |
| FSC APPLICATION DATA | FIRE CONTROL,RANGE FINDER MK 45 |