Part Details | OPTICAL INSTRUMENT LENS
6650-00-073-6542 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: 8626215, 6650-00-073-6542, 00-073-6542, 6650000736542, 000736542
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 66 | JAN 01, 1963 | 00-073-6542 | 21884 ( LENS, OPTICAL INSTRUMENT ) |
REFERENCE DRAWINGS & PICTURES
DOUBLET
Cross Reference | NSN 6650-00-073-6542
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 8626215 | 19200 | US ARMY ARDEC RDECOM |
Technical Data | NSN 6650-00-073-6542
| Characteristic | Specifications |
|---|---|
| COMPOUND LENS STYLE | DOUBLET |
| INDIVIDUAL LENS STYLE | DOUBLE CONVEX AND MENISCUS DIVERGING |
| DIAMETER | 1.157 INCHES MINIMUM AND 1.160 INCHES MAXIMUM |
| AXIAL THICKNESS | 0.622 INCHES MINIMUM AND 0.626 INCHES MAXIMUM AND 0.102 INCHES MINIMUM AND 0.106 INCHES MAXIMUM |
| COMPOUND LENS OVERALL AXIAL THICKNESS | 0.724 INCHES MINIMUM AND 0.732 INCHES MAXIMUM |
| ELEMENT LEFT SURFACE RADIUS | 1.245 INCHES |
| ELEMENT RIGHT SURFACE RADIUS | 2.257 INCHES |
| EQUIVALENT FOCAL LENGTH | -5.110 INCHES |
| REFRACTION INDEX | 1.6170 NOMINAL AND 1.6170 NOMINAL |
| ABBE CONSTANT | B54.900$$B36.600 |
| FSC APPLICATION DATA | TELESCOPE PANORAMIC M113 |