NSN 6650-00-759-4047
Part Details | OPTICAL INSTRUMENT LENS
6650-00-759-4047 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: 7594047, 6650-00-759-4047, 00-759-4047, 6650007594047, 007594047
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 66 | JAN 01, 1962 | 00-759-4047 | 21884 ( LENS, OPTICAL INSTRUMENT ) |
REFERENCE DRAWINGS & PICTURES
DOUBLET
Cross Reference | NSN 6650-00-759-4047
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 7594047 | 19200 | US ARMY ARDEC RDECOM |
Technical Data | NSN 6650-00-759-4047
| Characteristic | Specifications |
|---|---|
| COMPOUND LENS STYLE | DOUBLET |
| INDIVIDUAL LENS STYLE | DOUBLE CONVEX AND PLANO-CONCAVE |
| DIAMETER | 0.826 INCHES NOMINAL |
| AXIAL THICKNESS | 0.219 INCHES NOMINAL AND 0.079 INCHES NOMINAL |
| COMPOUND LENS OVERALL AXIAL THICKNESS | 0.298 INCHES NOMINAL |
| COMPOUND LENS EDGE THICKNESS | 0.221 INCHES NOMINAL |
| ELEMENT LEFT SURFACE RADIUS | 1.4960 INCHES |
| ELEMENT RIGHT SURFACE RADIUS | 1.0920 INCHES |
| EQUIVALENT FOCAL LENGTH | 2.367 INCHES |
| BACK FOCAL LENGTH | 2.209 INCHES |
| REFRACTION INDEX | 1.5725 NOMINAL AND 1.6890 NOMINAL |
| ABBE CONSTANT | B57.400$$B30.900 |