Part Details | OPTICAL INSTRUMENT LENS
6650-00-507-9259 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: 8200026, 6650-00-507-9259, 00-507-9259, 6650005079259, 005079259
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 66 | JAN 01, 1963 | 00-507-9259 | 21884 ( LENS, OPTICAL INSTRUMENT ) |
REFERENCE DRAWINGS & PICTURES
DOUBLET
Cross Reference | NSN 6650-00-507-9259
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 8200026 | 19200 | US ARMY ARDEC RDECOM |
Technical Data | NSN 6650-00-507-9259
| Characteristic | Specifications |
|---|---|
| COMPOUND LENS STYLE | DOUBLET |
| INDIVIDUAL LENS STYLE | DOUBLE CONVEX AND MENISCUS DIVERGING |
| DIAMETER | 1.400 INCHES NOMINAL |
| AXIAL THICKNESS | 0.225 INCHES NOMINAL AND 0.130 INCHES NOMINAL |
| COMPOUND LENS OVERALL AXIAL THICKNESS | 0.355 INCHES NOMINAL |
| COMPOUND LENS EDGE THICKNESS | 0.338 INCHES NOMINAL |
| ELEMENT LEFT SURFACE RADIUS | 16.760 MILLIMETERS |
| ELEMENT RIGHT SURFACE RADIUS | 16.760 MILLIMETERS |
| EQUIVALENT FOCAL LENGTH | 34.000 INCHES |
| BACK FOCAL LENGTH | 13.418 INCHES |
| REFRACTION INDEX | 1.5170 NOMINAL AND 1.6490 NOMINAL |
| ABBE CONSTANT | B64.500$$B33.800 |
| FSC APPLICATION DATA | FINDER RANGE M12,INTEGRATED WITH FIRE CONTROL |