NSN 6650-00-531-9069
Part Details | OPTICAL INSTRUMENT LENS
6650-00-531-9069 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: 5319069, 6650-00-531-9069, 00-531-9069, 6650005319069, 005319069
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 66 | JAN 01, 1963 | 00-531-9069 | 21884 ( LENS, OPTICAL INSTRUMENT ) |
REFERENCE DRAWINGS & PICTURES
DOUBLET
Cross Reference | NSN 6650-00-531-9069
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 5319069 | 19204 | ARMY, UNITED STATES DEPARTMENT OFTHE |
Technical Data | NSN 6650-00-531-9069
| Characteristic | Specifications |
|---|---|
| COMPOUND LENS STYLE | DOUBLET |
| INDIVIDUAL LENS STYLE | PLANO-CONCAVE AND DOUBLE CONVEX |
| DIAMETER | 1.124 INCHES NOMINAL |
| AXIAL THICKNESS | 0.098 INCHES NOMINAL AND 0.453 INCHES NOMINAL |
| COMPOUND LENS OVERALL AXIAL THICKNESS | 0.551 INCHES NOMINAL |
| COMPOUND LENS EDGE THICKNESS | 0.407 INCHES NOMINAL |
| ELEMENT LEFT SURFACE RADIUS | 1.300 INCHES |
| ELEMENT RIGHT SURFACE RADIUS | 1.259 INCHES AND -1.172 INCHES |
| EQUIVALENT FOCAL LENGTH | 2.995 INCHES |
| BACK FOCAL LENGTH | 3.106 INCHES |
| REFRACTION INDEX | 1.6720 NOMINAL AND 1.5170 NOMINAL |
| ABBE CONSTANT | B32.200$$B64.500 |
| FSC APPLICATION DATA | TELESCOPE M76C,INTEGRATED WITH FIRE CONTROL |