NSN 6650-00-864-2941
Part Details | OPTICAL INSTRUMENT LENS
6650-00-864-2941 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: 7660503, 6650-00-864-2941, 00-864-2941, 6650008642941, 008642941
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 66 | JAN 01, 1962 | 00-864-2941 | 21884 ( LENS, OPTICAL INSTRUMENT ) |
REFERENCE DRAWINGS & PICTURES
PLANO-CONVEX
PLANO-CONVEX
Cross Reference | NSN 6650-00-864-2941
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 7660503 | 19200 | US ARMY ARDEC RDECOM |
Technical Data | NSN 6650-00-864-2941
| Characteristic | Specifications |
|---|---|
| SINGLE LENS STYLE | PLANO-CONVEX |
| DIAMETER | 0.897 INCHES MINIMUM AND 0.900 INCHES MAXIMUM |
| AXIAL THICKNESS | 0.170 INCHES MINIMUM AND 0.190 INCHES MAXIMUM |
| ELEMENT LEFT SURFACE RADIUS | 1.564 INCHES |
| ELEMENT RIGHT SURFACE RADIUS | 1.564 INCHES |
| EQUIVALENT FOCAL LENGTH | 3.025 INCHES |
| BACK FOCAL LENGTH | 2.906 INCHES |
| REFRACTION INDEX | 1.5170 NOMINAL |
| ABBE CONSTANT | 64.500 |
| END ITEM IDENTIFICATION | TELESCOPE,PANORAMIC,M117 |