NSN 6650-00-763-2696
Part Details | OPTICAL INSTRUMENT LENS
6650-00-763-2696 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: 7632696, 6650-00-763-2696, 00-763-2696, 6650007632696, 007632696
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 66 | JAN 01, 1962 | 00-763-2696 | 21884 ( LENS, OPTICAL INSTRUMENT ) |
REFERENCE DRAWINGS & PICTURES
DOUBLET
Cross Reference | NSN 6650-00-763-2696
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 7632696 | 19200 | US ARMY ARDEC RDECOM |
Technical Data | NSN 6650-00-763-2696
| Characteristic | Specifications |
|---|---|
| MATERIAL | GLASS OPTICAL |
| MATERIAL DOCUMENT AND CLASSIFICATION | MIL-G-174, CLASS 1, GRADE C MIL SPEC SINGLE MATERIAL RESPONSE |
| COMPOUND LENS STYLE | DOUBLET |
| INDIVIDUAL LENS STYLE | DOUBLE CONCAVE AND DOUBLE CONVEX |
| DIAMETER | 1.185 INCHES NOMINAL |
| AXIAL THICKNESS | 0.105 INCHES NOMINAL AND 0.484 INCHES NOMINAL |
| COMPOUND LENS OVERALL AXIAL THICKNESS | 0.589 INCHES NOMINAL |
| COMPOUND LENS EDGE THICKNESS | 0.468 INCHES NOMINAL |
| ELEMENT LEFT SURFACE RADIUS | -11.265 INCHES AND 1.531 INCHES |
| ELEMENT RIGHT SURFACE RADIUS | 1.531 INCHES AND -1.128 INCHES |
| EQUIVALENT FOCAL LENGTH | 3.426 INCHES |
| BACK FOCAL LENGTH | 3.654 INCHES |
| REFRACTION INDEX | 1.7200 NOMINAL AND 1.5170 NOMINAL |
| ABBE CONSTANT | B29.300$$B64.500 |
| FSC APPLICATION DATA | FINDER,RANGE,INTEGRATED WITH FIRE CONTROL EQUIPMENT |