NSN 6650-01-078-7722
Part Details | OPTICAL INSTRUMENT LENS
6650-01-078-7722 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: 12285259, 6650-01-078-7722, 01-078-7722, 6650010787722, 010787722
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 66 | JUN 20, 1979 | 01-078-7722 | 21884 ( LENS, OPTICAL INSTRUMENT ) |
REFERENCE DRAWINGS & PICTURES
DOUBLET
Cross Reference | NSN 6650-01-078-7722
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 12285259 | 19200 | US ARMY ARDEC RDECOM |
Technical Data | NSN 6650-01-078-7722
| Characteristic | Specifications |
|---|---|
| COMPOUND LENS STYLE | DOUBLET |
| INDIVIDUAL LENS STYLE | DOUBLE CONVEX AND PLANO-CONCAVE |
| DIAMETER | 2.498 INCHES NOMINAL |
| COMPOUND LENS OVERALL AXIAL THICKNESS | 0.600 INCHES NOMINAL |
| ELEMENT LEFT SURFACE RADIUS | 6.501 INCHES AND 8.859 INCHES |
| ELEMENT RIGHT SURFACE RADIUS | 8.859 INCHES AND 0.000 INCHES |
| REFRACTION INDEX | 1.5730 NOMINAL AND 1.6890 NOMINAL |
| ABBE CONSTANT | B57.500$$B31.200 |
