NSN 6650-00-382-1739
Part Details | OPTICAL INSTRUMENT LENS
6650-00-382-1739 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: 1040149, 52470, 6650-00-382-1739, 00-382-1739, 6650003821739, 003821739
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 66 | JAN 01, 1963 | 00-382-1739 | 21884 ( LENS, OPTICAL INSTRUMENT ) |
REFERENCE DRAWINGS & PICTURES
DOUBLE CONVEX
DOUBLE CONVEX
Cross Reference | NSN 6650-00-382-1739
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 1040149 | 10001 | NAVAIR AND NAVSEA MANAGEDORIGINAL DESIGN ACTIVITY DWG NOT |
| 52470 | 21587 | OPTICAL TECHNOLOGY DEVICES INC |
Technical Data | NSN 6650-00-382-1739
| Characteristic | Specifications |
|---|---|
| SINGLE LENS STYLE | DOUBLE CONVEX |
| INDIVIDUAL LENS STYLE | DOUBLE CONVEX |
| DIAMETER | 2.16338 INCHES MINIMUM AND 2.16535 INCHES MAXIMUM |
| AXIAL THICKNESS | 0.47244 INCHES NOMINAL |
| ELEMENT LEFT SURFACE RADIUS | 3.471 INCHES |
| ELEMENT RIGHT SURFACE RADIUS | -5.331 INCHES |
| EQUIVALENT FOCAL LENGTH | 4.043 INCHES |
| BACK FOCAL LENGTH | 3.850 INCHES |
| FRONT FOCAL LENGTH | 3.917 INCHES |
| REFRACTION INDEX | 1.5300 NOMINAL |
| ABBE CONSTANT | 51.800 |
| FSC APPLICATION DATA | 1. OPTICAL SIGHTING AND RANGING EQUIPMENT |