NSN 6650-00-393-0413
Part Details | OPTICAL INSTRUMENT LENS
6650-00-393-0413 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: 11733418, 6650-00-393-0413, 00-393-0413, 6650003930413, 003930413
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 66 | APR 01, 1974 | 00-393-0413 | 21884 ( LENS, OPTICAL INSTRUMENT ) |
REFERENCE DRAWINGS & PICTURES
MENISCUS DIVERGING
MENISCUS DIVERGING
Cross Reference | NSN 6650-00-393-0413
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 11733418 | 19200 | US ARMY ARDEC RDECOM |
Technical Data | NSN 6650-00-393-0413
| Characteristic | Specifications |
|---|---|
| SINGLE LENS STYLE | MENISCUS DIVERGING |
| DIAMETER | 1.199 INCHES MINIMUM AND 1.202 INCHES MAXIMUM |
| AXIAL THICKNESS | 0.073 INCHES MINIMUM AND 0.083 INCHES MAXIMUM |
| ELEMENT LEFT SURFACE RADIUS | 2.359 INCHES |
| ELEMENT RIGHT SURFACE RADIUS | 1.557 INCHES |
| EQUIVALENT FOCAL LENGTH | -6.646 INCHES |
| BACK FOCAL LENGTH | -6.785 INCHES |
| REFRACTION INDEX | 1.7200 NOMINAL |
| ABBE CONSTANT | 29.300 |