NSN 6650-00-698-5868
Part Details | OPTICAL INSTRUMENT LENS
6650-00-698-5868 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: 7632369, 7632369, 7632369, 6650-00-698-5868, 00-698-5868, 6650006985868, 006985868
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 66 | JAN 01, 1963 | 00-698-5868 | 21884 ( LENS, OPTICAL INSTRUMENT ) |
REFERENCE DRAWINGS & PICTURES
DOUBLET
Cross Reference | NSN 6650-00-698-5868
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 7632369 | 14001 | GRAYCO OPTICAL CORP |
| 7632369 | 27777 | L3 TECHNOLOGIES, INC.DBA INSIGHT TECHNOLOGY DIVISION |
| 7632369 | 19200 | US ARMY ARDEC RDECOM |
Technical Data | NSN 6650-00-698-5868
| Characteristic | Specifications |
|---|---|
| COMPOUND LENS STYLE | DOUBLET |
| INDIVIDUAL LENS STYLE | DOUBLE CONVEX AND PLANO-CONCAVE |
| DIAMETER | 1.310 INCHES NOMINAL |
| AXIAL THICKNESS | 0.140 INCHES NOMINAL AND 0.425 INCHES NOMINAL |
| COMPOUND LENS OVERALL AXIAL THICKNESS | 0.565 INCHES NOMINAL |
| COMPOUND LENS EDGE THICKNESS | 0.253 INCHES NOMINAL |
| ELEMENT LEFT SURFACE RADIUS | -1.353 INCHES AND 1.960 INCHES |
| ELEMENT RIGHT SURFACE RADIUS | -1.353 INCHES AND 1.960 INCHES |
| EQUIVALENT FOCAL LENGTH | 2.669 INCHES |
| BACK FOCAL LENGTH | 2.308 INCHES |
| REFRACTION INDEX | 1.6890 NOMINAL AND 1.5725 NOMINAL |
| ABBE CONSTANT | B30.900$$B57.400 |
| FSC APPLICATION DATA | TELESCOPE |