NSN 6650-00-320-0802
Part Details | OPTICAL INSTRUMENT LENS
6650-00-320-0802 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: 175986PC9, 175986PC9, 175986PC9, 6650-00-320-0802, 00-320-0802, 6650003200802, 003200802
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 66 | JAN 01, 1963 | 00-320-0802 | 21884 ( LENS, OPTICAL INSTRUMENT ) |
REFERENCE DRAWINGS & PICTURES
DOUBLET
Cross Reference | NSN 6650-00-320-0802
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 175986PC9 | 06175 | BAUSCH & LOMB INC |
| 175986PC9 | 10001 | NAVAIR AND NAVSEA MANAGEDORIGINAL DESIGN ACTIVITY DWG NOT |
| 175986PC9 | 53711 | NAVAL SEA SYSTEMS COMMAND |
Technical Data | NSN 6650-00-320-0802
| Characteristic | Specifications |
|---|---|
| COMPOUND LENS STYLE | DOUBLET |
| INDIVIDUAL LENS STYLE | PLANO-CONCAVE AND DOUBLE CONVEX |
| DIAMETER | 21.0 MILLIMETERS NOMINAL |
| AXIAL THICKNESS | 1.0 MILLIMETERS NOMINAL AND 8.6 MILLIMETERS NOMINAL |
| COMPOUND LENS OVERALL AXIAL THICKNESS | 9.6 MILLIMETERS NOMINAL |
| ELEMENT LEFT SURFACE RADIUS | 237.9 MILLIMETERS AND 13.6 MILLIMETERS |
| ELEMENT RIGHT SURFACE RADIUS | 13.8 MILLIMETERS AND 26.0 MILLIMETERS |
| EQUIVALENT FOCAL LENGTH | 57.890 CENTIMETERS |
| BACK FOCAL LENGTH | 49.650 CENTIMETERS |
| FRONT FOCAL LENGTH | 60.130 CENTIMETERS |
| REFRACTION INDEX | 1.6490 NOMINAL AND 1.5170 NOMINAL |
| END ITEM IDENTIFICATION | RANGEFINDER MK39 |
