NSN 6650-00-531-6356
Part Details | OPTICAL INSTRUMENT LENS
6650-00-531-6356 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: 5316356, 5316356, 5316356, 6650-00-531-6356, 00-531-6356, 6650005316356, 005316356
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 66 | JAN 01, 1963 | 00-531-6356 | 21884 ( LENS, OPTICAL INSTRUMENT ) |
REFERENCE DRAWINGS & PICTURES
DOUBLET
Cross Reference | NSN 6650-00-531-6356
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 5316356 | 34870 | FJW OPTICAL SYSTEMS, INC. |
| 5316356 | 03829 | GENERAL SCIENTIFIC CORPORATIONDIV GENERAL SCIENTIFIC CORP |
| 5316356 | 19200 | US ARMY ARDEC RDECOM |
Technical Data | NSN 6650-00-531-6356
| Characteristic | Specifications |
|---|---|
| COMPOUND LENS STYLE | DOUBLET |
| INDIVIDUAL LENS STYLE | DOUBLE CONVEX AND PLANO-CONCAVE |
| DIAMETER | 1.874 INCHES NOMINAL |
| AXIAL THICKNESS | 0.259 INCHES NOMINAL AND 0.188 INCHES NOMINAL |
| COMPOUND LENS OVERALL AXIAL THICKNESS | 0.447 INCHES NOMINAL |
| COMPOUND LENS EDGE THICKNESS | 0.350 INCHES NOMINAL |
| ELEMENT LEFT SURFACE RADIUS | -4.630 INCHES AND 6.601 INCHES |
| ELEMENT RIGHT SURFACE RADIUS | -4.630 INCHES AND 14.788 INCHES |
| EQUIVALENT FOCAL LENGTH | 10.725 INCHES |
| BACK FOCAL LENGTH | 10.525 INCHES |
| REFRACTION INDEX | 1.5170 NOMINAL AND 1.6490 NOMINAL |
| ABBE CONSTANT | B64.500$$B33.800 |
| FSC APPLICATION DATA | TELESCOPE,BC,M65,INTEGRATED WITH FIRE CONTROL EQUIPMENT |