NSN 6650-00-759-3585
Part Details | OPTICAL INSTRUMENT LENS
6650-00-759-3585 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: 7593585, 6650-00-759-3585, 00-759-3585, 6650007593585, 007593585
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 66 | JAN 01, 1962 | 00-759-3585 | 21884 ( LENS, OPTICAL INSTRUMENT ) |
REFERENCE DRAWINGS & PICTURES
DOUBLET
Cross Reference | NSN 6650-00-759-3585
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 7593585 | 19200 | US ARMY ARDEC RDECOM |
Technical Data | NSN 6650-00-759-3585
| Characteristic | Specifications |
|---|---|
| COMPOUND LENS STYLE | DOUBLET |
| INDIVIDUAL LENS STYLE | PLANO-CONVEX AND MENISCUS DIVERGING |
| DIAMETER | 1.718 INCHES NOMINAL |
| AXIAL THICKNESS | 0.671 INCHES NOMINAL AND 0.158 INCHES NOMINAL |
| COMPOUND LENS OVERALL AXIAL THICKNESS | 0.829 INCHES NOMINAL |
| COMPOUND LENS EDGE THICKNESS | 0.375 INCHES NOMINAL |
| ELEMENT LEFT SURFACE RADIUS | 41.680 MILLIMETERS |
| ELEMENT RIGHT SURFACE RADIUS | 1.635 INCHES |
| EQUIVALENT FOCAL LENGTH | 10.107 INCHES |
| BACK FOCAL LENGTH | 10.076 INCHES |
| REFRACTION INDEX | 1.5125 NOMINAL AND 1.5725 NOMINAL |
| ABBE CONSTANT | B60.500$$B42.500 |
| FSC APPLICATION DATA | TELESCOPE,M69G,INTEGRATED WITH FIRE CONTROL EQUIPMENT |