Part Details | OPTICAL INSTRUMENT LENS
6650-00-116-3432 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: 10514276, 6650-00-116-3432, 00-116-3432, 6650001163432, 001163432
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 66 | SEP 27, 1968 | 00-116-3432 | 21884 ( LENS, OPTICAL INSTRUMENT ) |
REFERENCE DRAWINGS & PICTURES
DOUBLET
Cross Reference | NSN 6650-00-116-3432
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 10514276 | 19200 | US ARMY ARDEC RDECOM |
Technical Data | NSN 6650-00-116-3432
| Characteristic | Specifications |
|---|---|
| COMPOUND LENS STYLE | DOUBLET |
| INDIVIDUAL LENS STYLE | MENISCUS DIVERGING AND DOUBLE CONVEX |
| DIAMETER | 1.236 INCHES MINIMUM AND 1.240 INCHES MAXIMUM |
| AXIAL THICKNESS | 0.101 INCHES MINIMUM AND 0.113 INCHES MAXIMUM AND 0.494 INCHES MINIMUM AND 0.506 INCHES MAXIMUM |
| COMPOUND LENS OVERALL AXIAL THICKNESS | 0.595 INCHES MINIMUM AND 0.619 INCHES MAXIMUM |
| ELEMENT LEFT SURFACE RADIUS | 2.270 INCHES |
| ELEMENT RIGHT SURFACE RADIUS | 0.828 INCHES |
| EQUIVALENT FOCAL LENGTH | 2.079 INCHES |
| BACK FOCAL LENGTH | 1.934 INCHES |
| REFRACTION INDEX | 1.6490 NOMINAL AND 1.5410 NOMINAL |
| ABBE CONSTANT | B33.800$$B59.900 |
| SPECIAL FEATURES | FRONT AND BACK SURFACES COATED WITH MAGNESIUM FLUORIDE |
| FSC APPLICATION DATA | PERISCOPE |