NSN 6650-00-829-7363
Part Details | OPTICAL INSTRUMENT LENS
6650-00-829-7363 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: 10542225, 10542225, 10542225, 6650-00-829-7363, 00-829-7363, 6650008297363, 008297363
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 66 | SEP 01, 1967 | 00-829-7363 | 21884 ( LENS, OPTICAL INSTRUMENT ) |
REFERENCE DRAWINGS & PICTURES
PLANO-CONCAVE
PLANO-CONCAVE
Cross Reference | NSN 6650-00-829-7363
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 10542225 | 34870 | FJW OPTICAL SYSTEMS, INC. |
| 10542225 | 94809 | PLUMMER PRECISION OPTICS CO |
| 10542225 | 19200 | US ARMY ARDEC RDECOM |
Technical Data | NSN 6650-00-829-7363
| Characteristic | Specifications |
|---|---|
| SINGLE LENS STYLE | PLANO-CONCAVE |
| DIAMETER | 6.865 INCHES MINIMUM AND 6.870 INCHES MAXIMUM |
| AXIAL THICKNESS | 0.302 INCHES MINIMUM AND 0.322 INCHES MAXIMUM |
| ELEMENT RIGHT SURFACE RADIUS | 13.996 INCHES |
| EQUIVALENT FOCAL LENGTH | 27.071 INCHES |
| BACK FOCAL LENGTH | 27.071 INCHES |
| REFRACTION INDEX | 1.5170 NOMINAL |
| ABBE CONSTANT | 64.500 |
| SPECIAL FEATURES | RADIUS 2 COATED WITH MAGNESIUM FLUORIDE |
| FSC APPLICATION DATA | PERISCOPE XM44E1 |