NSN 6650-00-763-2694
Part Details | OPTICAL INSTRUMENT LENS
6650-00-763-2694 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: 7632694, 6650-00-763-2694, 00-763-2694, 6650007632694, 007632694
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 66 | JAN 01, 1962 | 00-763-2694 | 21884 ( LENS, OPTICAL INSTRUMENT ) |
REFERENCE DRAWINGS & PICTURES
DOUBLET
Cross Reference | NSN 6650-00-763-2694
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 7632694 | 19200 | US ARMY ARDEC RDECOM |
Technical Data | NSN 6650-00-763-2694
| Characteristic | Specifications |
|---|---|
| COMPOUND LENS STYLE | DOUBLET |
| INDIVIDUAL LENS STYLE | DOUBLE CONVEX AND DOUBLE CONCAVE |
| DIAMETER | 1.700 INCHES NOMINAL |
| AXIAL THICKNESS | 0.225 INCHES NOMINAL AND 0.160 INCHES NOMINAL |
| COMPOUND LENS OVERALL AXIAL THICKNESS | 0.385 INCHES NOMINAL |
| COMPOUND LENS EDGE THICKNESS | 0.344 INCHES NOMINAL |
| ELEMENT LEFT SURFACE RADIUS | 6.946 INCHES AND -4.336 INCHES |
| ELEMENT RIGHT SURFACE RADIUS | -4.336 INCHES AND -12.338 INCHES |
| EQUIVALENT FOCAL LENGTH | 10.649 INCHES |
| BACK FOCAL LENGTH | 10.488 INCHES |
| FRONT FOCAL LENGTH | 10.103 INCHES |
| REFRACTION INDEX | 1.5110 NOMINAL AND 1.6490 NOMINAL |
| ABBE CONSTANT | B63.500$$B33.800 |
| FSC APPLICATION DATA | RANGE FINDER M12,INTEGRATED WITH FIRE CONTROL EQUIP |