NSN 6650-00-300-6594
Part Details | OPTICAL INSTRUMENT LENS
6650-00-300-6594 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: 7633293, 6650-00-300-6594, 00-300-6594, 6650003006594, 003006594
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 66 | JAN 01, 1963 | 00-300-6594 | 21884 ( LENS, OPTICAL INSTRUMENT ) |
REFERENCE DRAWINGS & PICTURES
DOUBLET
Cross Reference | NSN 6650-00-300-6594
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 7633293 | 19200 | US ARMY ARDEC RDECOM |
Technical Data | NSN 6650-00-300-6594
| Characteristic | Specifications |
|---|---|
| COMPOUND LENS STYLE | DOUBLET |
| INDIVIDUAL LENS STYLE | DOUBLE CONVEX AND PLANO-CONCAVE |
| DIAMETER | 1.280 INCHES NOMINAL |
| AXIAL THICKNESS | 0.165 INCHES NOMINAL AND 0.125 INCHES NOMINAL |
| COMPOUND LENS OVERALL AXIAL THICKNESS | 0.290 INCHES NOMINAL |
| COMPOUND LENS EDGE THICKNESS | 0.264 INCHES NOMINAL |
| ELEMENT LEFT SURFACE RADIUS | -8.821 INCHES AND 7.800 INCHES |
| ELEMENT RIGHT SURFACE RADIUS | -8.821 INCHES AND 0.000 INCHES |
| EQUIVALENT FOCAL LENGTH | 17.295 INCHES |
| BACK FOCAL LENGTH | 17.091 INCHES |
| FRONT FOCAL LENGTH | 16.801 INCHES |
| REFRACTION INDEX | 1.5286 NOMINAL AND 1.6170 NOMINAL |
| ABBE CONSTANT | B51.600$$B38.500 |
| FSC APPLICATION DATA | TELESCOPE,T150E1,INTEGRATED WITH FIRE CONTROL EQUIP |