NSN 6650-00-155-1710
Part Details | OPTICAL INSTRUMENT LENS
6650-00-155-1710 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: 278694PC13, 278694PC13, 6650-00-155-1710, 00-155-1710, 6650001551710, 001551710
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 66 | JAN 01, 1963 | 00-155-1710 | 21884 ( LENS, OPTICAL INSTRUMENT ) |
REFERENCE DRAWINGS & PICTURES
DOUBLET
Cross Reference | NSN 6650-00-155-1710
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 278694PC13 | 10001 | NAVAIR AND NAVSEA MANAGEDORIGINAL DESIGN ACTIVITY DWG NOT |
| 278694PC13 | 53711 | NAVAL SEA SYSTEMS COMMAND |
Technical Data | NSN 6650-00-155-1710
| Characteristic | Specifications |
|---|---|
| COMPOUND LENS STYLE | DOUBLET |
| INDIVIDUAL LENS STYLE | DOUBLE CONVEX AND MENISCUS DIVERGING |
| DIAMETER | 0.590 INCHES NOMINAL |
| AXIAL THICKNESS | 0.118 INCHES NOMINAL AND 0.059 INCHES NOMINAL |
| COMPOUND LENS OVERALL AXIAL THICKNESS | 0.177 INCHES NOMINAL |
| COMPOUND LENS EDGE THICKNESS | 0.156 INCHES NOMINAL |
| ELEMENT LEFT SURFACE RADIUS | -1.283 INCHES AND 3.449 INCHES |
| ELEMENT RIGHT SURFACE RADIUS | -1.283 INCHES AND -5.724 INCHES |
| EQUIVALENT FOCAL LENGTH | 4.204 INCHES |
| BACK FOCAL LENGTH | 4.165 INCHES |
| FRONT FOCAL LENGTH | 4.133 INCHES |
| REFRACTION INDEX | 1.5720 NOMINAL AND 1.6170 NOMINAL |
| ABBE CONSTANT | B57.400$$B36.600 |
| FSC APPLICATION DATA | FIRE CONTROL,RANGE FINDER,MK 57 |