Part Details | OPTICAL INSTRUMENT LENS
6650-00-450-1737 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: 1073973, 6650-00-450-1737, 00-450-1737, 6650004501737, 004501737
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 66 | DEC 10, 1969 | 00-450-1737 | 21884 ( LENS, OPTICAL INSTRUMENT ) |
REFERENCE DRAWINGS & PICTURES
DIALYTE
Cross Reference | NSN 6650-00-450-1737
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 1073973 | 89944 | KOLLSMAN, INC. |
Technical Data | NSN 6650-00-450-1737
| Characteristic | Specifications |
|---|---|
| COMPOUND LENS STYLE | DIALYTE |
| INDIVIDUAL LENS STYLE | DOUBLE CONVEX AND MENISCUS DIVERGING |
| DIAMETER | 1.024 INCHES NOMINAL |
| AXIAL THICKNESS | 0.126 INCHES NOMINAL AND 0.110 INCHES NOMINAL |
| COMPOUND LENS OVERALL AXIAL THICKNESS | 0.236 INCHES NOMINAL |
| COMPOUND LENS EDGE THICKNESS | 0.210 INCHES NOMINAL |
| EQUIVALENT FOCAL LENGTH | 17.094 INCHES |
| BACK FOCAL LENGTH | 17.060 INCHES |
| FRONT FOCAL LENGTH | 17.092 INCHES |
| REFRACTION INDEX | 1.5170 NOMINAL AND 1.6170 NOMINAL |
| ABBE CONSTANT | BM64.200$$B36.600 |