NSN 6650-00-300-6599
Part Details | OPTICAL INSTRUMENT LENS
6650-00-300-6599 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: 7695923, 6650-00-300-6599, 00-300-6599, 6650003006599, 003006599
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 66 | JAN 01, 1963 | 00-300-6599 | 21884 ( LENS, OPTICAL INSTRUMENT ) |
REFERENCE DRAWINGS & PICTURES
DOUBLET
Cross Reference | NSN 6650-00-300-6599
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 7695923 | 19200 | US ARMY ARDEC RDECOM |
Technical Data | NSN 6650-00-300-6599
| Characteristic | Specifications |
|---|---|
| COMPOUND LENS STYLE | DOUBLET |
| INDIVIDUAL LENS STYLE | PLANO-CONVEX AND MENISCUS DIVERGING |
| DIAMETER | 1.825 INCHES NOMINAL |
| AXIAL THICKNESS | 0.305 INCHES NOMINAL AND 0.174 INCHES NOMINAL |
| COMPOUND LENS OVERALL AXIAL THICKNESS | 0.479 INCHES NOMINAL |
| COMPOUND LENS EDGE THICKNESS | 0.363 INCHES NOMINAL |
| ELEMENT LEFT SURFACE RADIUS | -51.636 INCHES AND 2.054 INCHES |
| ELEMENT RIGHT SURFACE RADIUS | -2.054 INCHES AND 3.912 INCHES |
| EQUIVALENT FOCAL LENGTH | 9.149 INCHES |
| BACK FOCAL LENGTH | 9.194 INCHES |
| REFRACTION INDEX | 1.5286 NOMINAL AND 1.6890 NOMINAL |
| ABBE CONSTANT | B51.600$$B30.900 |
| FSC APPLICATION DATA | TELESCOPE T150E1,INTEGRATED WITH FIRE CONTROL EQUIPMENT |