NSN 6650-00-315-3958
Part Details | OPTICAL INSTRUMENT LENS
6650-00-315-3958 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: 62701, 62-701, 706791, 706791, 6650-00-315-3958, 00-315-3958, 6650003153958, 003153958
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 66 | JAN 01, 1963 | 00-315-3958 | 21884 ( LENS, OPTICAL INSTRUMENT ) |
REFERENCE DRAWINGS & PICTURES
DOUBLET
Cross Reference | NSN 6650-00-315-3958
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 62-701 | 02622 | AMERICAN OPTICAL CO |
| 706791 | 10001 | NAVAIR AND NAVSEA MANAGEDORIGINAL DESIGN ACTIVITY DWG NOT |
| 706791 | 53711 | NAVAL SEA SYSTEMS COMMAND |
Technical Data | NSN 6650-00-315-3958
| Characteristic | Specifications |
|---|---|
| MATERIAL | GLASS OPTICAL |
| COMPOUND LENS STYLE | DOUBLET |
| INDIVIDUAL LENS STYLE | DOUBLE CONVEX AND MENISCUS |
| DIAMETER | 40.0 MILLIMETERS NOMINAL |
| AXIAL THICKNESS | 7.5 MILLIMETERS MINIMUM AND 5.0 MILLIMETERS MAXIMUM |
| COMPOUND LENS OVERALL AXIAL THICKNESS | 12.6 MILLIMETERS NOMINAL |
| COMPOUND LENS EDGE THICKNESS | 10.7 MILLIMETERS NOMINAL |
| EQUIVALENT FOCAL LENGTH | 294.840 CENTIMETERS |
| BACK FOCAL LENGTH | 288.990 CENTIMETERS |
| FRONT FOCAL LENGTH | 291.580 CENTIMETERS |