NSN 6650-00-210-4386
Part Details | OPTICAL INSTRUMENT LENS
6650-00-210-4386 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: MIL1799, 1049118, 1049118, 6650-00-210-4386, 00-210-4386, 6650002104386, 002104386
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 66 | JAN 01, 1963 | 00-210-4386 | 21884 ( LENS, OPTICAL INSTRUMENT ) |
REFERENCE DRAWINGS & PICTURES
DOUBLET
Cross Reference | NSN 6650-00-210-4386
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| MIL1799 | 06175 | BAUSCH & LOMB INC |
| 1049118 | 10001 | NAVAIR AND NAVSEA MANAGEDORIGINAL DESIGN ACTIVITY DWG NOT |
| 1049118 | 51128 | WILLIAM S GUTTENBERGDBA WILCO ELECTRIC COMPANY |
Technical Data | NSN 6650-00-210-4386
| Characteristic | Specifications |
|---|---|
| COMPOUND LENS STYLE | DOUBLET |
| INDIVIDUAL LENS STYLE | DOUBLE CONVEX AND MENISCUS DIVERGING |
| DIAMETER | 2.282 INCHES MINIMUM AND 2.283 INCHES MAXIMUM |
| AXIAL THICKNESS | 0.394 INCHES NOMINAL AND 0.217 INCHES NOMINAL |
| COMPOUND LENS OVERALL AXIAL THICKNESS | 0.610 INCHES NOMINAL |
| COMPOUND LENS EDGE THICKNESS | 0.599 INCHES NOMINAL |
| ELEMENT LEFT SURFACE RADIUS | -4.016 INCHES AND 6.604 INCHES |
| ELEMENT RIGHT SURFACE RADIUS | -4.016 INCHES AND 77.835 INCHES |
| EQUIVALENT FOCAL LENGTH | 11.973 INCHES |
| BACK FOCAL LENGTH | 11.592 INCHES |
| FRONT FOCAL LENGTH | 11.970 INCHES |
| REFRACTION INDEX | 1.5225 NOMINAL AND 1.6170 NOMINAL |
| ABBE CONSTANT | B57.400$$B36.600 |
| FSC APPLICATION DATA | OPTICAL SIGHTING RANGING EQUIPMENT |