NSN 6650-00-518-5193
Part Details | OPTICAL INSTRUMENT LENS
6650-00-518-5193 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: 1240005185193, 6650005185193, 5185193, 6650-00-518-5193, 00-518-5193, 6650005185193, 005185193
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 66 | JAN 01, 1963 | 00-518-5193 | 21884 ( LENS, OPTICAL INSTRUMENT ) |
REFERENCE DRAWINGS & PICTURES
DOUBLET
Cross Reference | NSN 6650-00-518-5193
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 1240005185193 | A00AM | E.C.A ETABLISSEMENT CENTRALDESAPPROVISIONNEMENTS DES FORCES |
| 6650005185193 | A00AM | E.C.A ETABLISSEMENT CENTRALDESAPPROVISIONNEMENTS DES FORCES |
| 5185193 | 19200 | US ARMY ARDEC RDECOM |
Technical Data | NSN 6650-00-518-5193
| Characteristic | Specifications |
|---|---|
| COMPOUND LENS STYLE | DOUBLET |
| INDIVIDUAL LENS STYLE | DOUBLE CONVEX AND MENISCUS CONVERGING |
| DIAMETER | 1.259 INCHES NOMINAL |
| AXIAL THICKNESS | 0.220 INCHES NOMINAL AND 0.118 INCHES NOMINAL |
| COMPOUND LENS EDGE THICKNESS | 0.225 INCHES NOMINAL |
| ELEMENT LEFT SURFACE RADIUS | 3.130 INCHES |
| ELEMENT RIGHT SURFACE RADIUS | 2.047 INCHES |
| EQUIVALENT FOCAL LENGTH | 5.191 INCHES |
| BACK FOCAL LENGTH | 5.012 INCHES |
| REFRACTION INDEX | 1.5411 NOMINAL AND 1.6210 NOMINAL |
| ABBE CONSTANT | B59.900$$B36.200 |
| FSC APPLICATION DATA | BINOCULAR,FIRE CONTROL |