NSN 6650-00-389-3570
Part Details | OPTICAL INSTRUMENT LENS
6650-00-389-3570 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: 248578PC16, 6650-00-389-3570, 00-389-3570, 6650003893570, 003893570
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 66 | JAN 01, 1963 | 00-389-3570 | 21884 ( LENS, OPTICAL INSTRUMENT ) |
REFERENCE DRAWINGS & PICTURES
MENISCUS CONVERGING
MENISCUS DIVERGING
MENISCUS CONVERGING
MENISCUS DIVERGING
Cross Reference | NSN 6650-00-389-3570
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 248578PC16 | 10001 | NAVAIR AND NAVSEA MANAGEDORIGINAL DESIGN ACTIVITY DWG NOT |
Technical Data | NSN 6650-00-389-3570
| Characteristic | Specifications |
|---|---|
| SINGLE LENS STYLE | MENISCUS CONVERGING |
| INDIVIDUAL LENS STYLE | MENISCUS DIVERGING |
| DIAMETER | 1.496 INCHES NOMINAL |
| AXIAL THICKNESS | 0.268 INCHES NOMINAL |
| COMPOUND LENS OVERALL AXIAL THICKNESS | 0.268 INCHES NOMINAL |
| COMPOUND LENS EDGE THICKNESS | 0.074 INCHES NOMINAL |
| EQUIVALENT FOCAL LENGTH | 2.530 INCHES |
| BACK FOCAL LENGTH | 2.561 INCHES |
| FRONT FOCAL LENGTH | 2.336 INCHES |
| REFRACTION INDEX | 1.6110 NOMINAL |
| ABBE CONSTANT | 58.8000 |
| FSC APPLICATION DATA | FIRE CONTROL,TELESCOPE MK 100 MOD 0 |