NSN 6650-00-299-1839
Part Details | OPTICAL INSTRUMENT LENS
6650-00-299-1839 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: J72B00011, J72B0001-1, J72B00011, J72B0001-1, 6650-00-299-1839, 00-299-1839, 6650002991839, 002991839
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 66 | OCT 31, 1973 | 00-299-1839 | 21884 ( LENS, OPTICAL INSTRUMENT ) |
REFERENCE DRAWINGS & PICTURES
MENISCUS CONVERGING
MENISCUS CONVERGING
Cross Reference | NSN 6650-00-299-1839
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| J72B0001-1 | 12464 | MCDONNELL DOUGLAS CORPMCDONNELL DOUGLAS ELECTRONIC SYSTEMS |
| J72B0001-1 | 67108 | OPTICO GLASS FABRICATION INC |
Technical Data | NSN 6650-00-299-1839
| Characteristic | Specifications |
|---|---|
| SINGLE LENS STYLE | MENISCUS CONVERGING |
| DIAMETER | 6.680 INCHES NOMINAL |
| AXIAL THICKNESS | 0.514 INCHES MINIMUM |
| ELEMENT LEFT SURFACE RADIUS | 10.715 INCHES |
| ELEMENT RIGHT SURFACE RADIUS | 37.379 INCHES |
| FSC APPLICATION DATA | NAVIGATIONAL INSTRUMENT |