NSN 6650-00-531-6907
Part Details | OPTICAL INSTRUMENT LENS
6650-00-531-6907 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: 5316907, 6650-00-531-6907, 00-531-6907, 6650005316907, 005316907
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 66 | JAN 01, 1963 | 00-531-6907 | 21884 ( LENS, OPTICAL INSTRUMENT ) |
REFERENCE DRAWINGS & PICTURES
TRIPLET
Cross Reference | NSN 6650-00-531-6907
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 5316907 | 19200 | US ARMY ARDEC RDECOM |
Technical Data | NSN 6650-00-531-6907
| Characteristic | Specifications |
|---|---|
| COMPOUND LENS STYLE | TRIPLET |
| INDIVIDUAL LENS STYLE | DOUBLE CONVEX AND DOUBLE CONCAVE |
| DIAMETER | 0.634 INCHES NOMINAL |
| AXIAL THICKNESS | 0.216 INCHES NOMINAL AND 0.035 INCHES NOMINAL AND 0.216 INCHES NOMINAL |
| COMPOUND LENS OVERALL AXIAL THICKNESS | 0.467 INCHES NOMINAL |
| COMPOUND LENS EDGE THICKNESS | 0.361 INCHES NOMINAL |
| ELEMENT LEFT SURFACE RADIUS | 0.981 INCHES |
| ELEMENT RIGHT SURFACE RADIUS | 0.450 INCHES |
| EQUIVALENT FOCAL LENGTH | 1.790 INCHES |
| BACK FOCAL LENGTH | 1.623 INCHES |
| REFRACTION INDEX | 1.5110 NOMINAL AND 1.6170 NOMINAL AND 1.5110 NOMINAL |
| ABBE CONSTANT | B63.500$$B36.600$$B63.500 |
| FSC APPLICATION DATA | TELESCOPE |