NSN 6650-00-382-1960
Part Details | OPTICAL INSTRUMENT LENS
6650-00-382-1960 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: LD172600PC25, 6650-00-382-1960, 00-382-1960, 6650003821960, 003821960
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 66 | JAN 01, 1963 | 00-382-1960 | 21884 ( LENS, OPTICAL INSTRUMENT ) |
REFERENCE DRAWINGS & PICTURES
DOUBLET
Cross Reference | NSN 6650-00-382-1960
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| LD172600PC25 | 10001 | NAVAIR AND NAVSEA MANAGEDORIGINAL DESIGN ACTIVITY DWG NOT |
Technical Data | NSN 6650-00-382-1960
| Characteristic | Specifications |
|---|---|
| COMPOUND LENS STYLE | DOUBLET |
| INDIVIDUAL LENS STYLE | DOUBLE CONVEX AND MENISCUS DIVERGING |
| DIAMETER | 1.732 INCHES NOMINAL |
| AXIAL THICKNESS | 0.551 INCHES NOMINAL AND 0.121 INCHES NOMINAL |
| COMPOUND LENS OVERALL AXIAL THICKNESS | 0.672 INCHES NOMINAL |
| COMPOUND LENS EDGE THICKNESS | 0.349 INCHES NOMINAL |
| EQUIVALENT FOCAL LENGTH | 2.725 INCHES |
| BACK FOCAL LENGTH | 2.578 INCHES |
| FRONT FOCAL LENGTH | 2.416 INCHES |
| REFRACTION INDEX | 1.5169 NOMINAL AND 1.6488 NOMINAL |
| ABBE CONSTANT | B64.400$$B33.800 |
| FSC APPLICATION DATA | PERISCOPE MK 30-MOD 2 |