NSN 6650-00-450-1748
Part Details | OPTICAL INSTRUMENT LENS
6650-00-450-1748 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: 24857814, 248578-14, 6650-00-450-1748, 00-450-1748, 6650004501748, 004501748
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 66 | DEC 10, 1969 | 00-450-1748 | 21884 ( LENS, OPTICAL INSTRUMENT ) |
REFERENCE DRAWINGS & PICTURES
MENISCUS DIVERGING
MENISCUS DIVERGING
Cross Reference | NSN 6650-00-450-1748
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 248578-14 | 89944 | KOLLSMAN, INC. |
Technical Data | NSN 6650-00-450-1748
| Characteristic | Specifications |
|---|---|
| SINGLE LENS STYLE | MENISCUS DIVERGING |
| DIAMETER | 1.732 INCHES NOMINAL |
| AXIAL THICKNESS | 0.118 INCHES NOMINAL |
| EQUIVALENT FOCAL LENGTH | 3.304 INCHES |
| BACK FOCAL LENGTH | 3.074 INCHES |
| FRONT FOCAL LENGTH | 3.185 INCHES |
| REFRACTION INDEX | 1.7220 NOMINAL |
| ABBE CONSTANT | 29.300 |