NSN 6650-00-382-1740
Part Details | OPTICAL INSTRUMENT LENS
6650-00-382-1740 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: 1040156, 52478, 6650-00-382-1740, 00-382-1740, 6650003821740, 003821740
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 66 | JAN 01, 1963 | 00-382-1740 | 21884 ( LENS, OPTICAL INSTRUMENT ) |
REFERENCE DRAWINGS & PICTURES
MENISCUS CONVERGING
MENISCUS CONVERGING
Cross Reference | NSN 6650-00-382-1740
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 1040156 | 10001 | NAVAIR AND NAVSEA MANAGEDORIGINAL DESIGN ACTIVITY DWG NOT |
| 52478 | 21587 | OPTICAL TECHNOLOGY DEVICES INC |
Technical Data | NSN 6650-00-382-1740
| Characteristic | Specifications |
|---|---|
| SINGLE LENS STYLE | MENISCUS CONVERGING |
| INDIVIDUAL LENS STYLE | MENISCUS CONVERGING |
| DIAMETER | 1.99212 INCHES NOMINAL |
| AXIAL THICKNESS | 0.35433 INCHES NOMINAL |
| COMPOUND LENS OVERALL AXIAL THICKNESS | 0.35433 INCHES NOMINAL |
| COMPOUND LENS EDGE THICKNESS | 0.12834 INCHES NOMINAL |
| ELEMENT LEFT SURFACE RADIUS | -13.154 INCHES |
| ELEMENT RIGHT SURFACE RADIUS | -2.015 INCHES |
| EQUIVALENT FOCAL LENGTH | 3.370 INCHES |
| BACK FOCAL LENGTH | 3.409 INCHES |
| FRONT FOCAL LENGTH | 3.126 INCHES |
| REFRACTION INDEX | 1.6968 NOMINAL |
| ABBE CONSTANT | 56.200 |
| FSC APPLICATION DATA | 1. FIRE CONTROL TELESCOPE MK 102 MOD 3 |