NSN 6650-00-531-6358
Part Details | OPTICAL INSTRUMENT LENS
6650-00-531-6358 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: 5316358, 6650-00-531-6358, 00-531-6358, 6650005316358, 005316358
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 66 | JAN 01, 1963 | 00-531-6358 | 21884 ( LENS, OPTICAL INSTRUMENT ) |
REFERENCE DRAWINGS & PICTURES
DOUBLE CONVEX
DOUBLE CONCAVE
DOUBLE CONVEX
DOUBLE CONCAVE
Cross Reference | NSN 6650-00-531-6358
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 5316358 | 19200 | US ARMY ARDEC RDECOM |
Technical Data | NSN 6650-00-531-6358
| Characteristic | Specifications |
|---|---|
| SINGLE LENS STYLE | DOUBLE CONVEX |
| INDIVIDUAL LENS STYLE | DOUBLE CONCAVE |
| DIAMETER | 1.424 INCHES MINIMUM AND 1.427 INCHES MAXIMUM |
| AXIAL THICKNESS | 0.316 INCHES MINIMUM AND 0.331 INCHES MAXIMUM |
| COMPOUND LENS OVERALL AXIAL THICKNESS | 0.331 INCHES NOMINAL |
| COMPOUND LENS EDGE THICKNESS | 0.159 INCHES NOMINAL |
| ELEMENT LEFT SURFACE RADIUS | 3.002 INCHES |
| ELEMENT RIGHT SURFACE RADIUS | 3.002 INCHES |
| EQUIVALENT FOCAL LENGTH | 2.958 INCHES |
| BACK FOCAL LENGTH | 2.847 INCHES |
| REFRACTION INDEX | 1.5170 NOMINAL |
| ABBE CONSTANT | 64.500 |
| FSC APPLICATION DATA | TELESCOPE BC M65 |