NSN 6650-01-091-1989
Part Details | OPTICAL INSTRUMENT LENS
6650-01-091-1989 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: 12266744, 6650-01-091-1989, 01-091-1989, 6650010911989, 010911989
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 66 | MAR 03, 1980 | 01-091-1989 | 21884 ( LENS, OPTICAL INSTRUMENT ) |
REFERENCE DRAWINGS & PICTURES
PLANO-CONVEX
PLANO-CONVEX
Cross Reference | NSN 6650-01-091-1989
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 12266744 | 19207 | U S ARMY TANK AUTOMOTIVE COMMANDAMSTA-IM-MM |
Technical Data | NSN 6650-01-091-1989
| Characteristic | Specifications |
|---|---|
| SINGLE LENS STYLE | PLANO-CONVEX |
| DIAMETER | 3.157 INCHES MINIMUM AND 3.158 INCHES MAXIMUM |
| AXIAL THICKNESS | 0.425 INCHES MINIMUM AND 0.433 INCHES MAXIMUM |
| ELEMENT LEFT SURFACE RADIUS | 4.249 INCHES |
| ELEMENT RIGHT SURFACE RADIUS | 4.249 INCHES |
| EQUIVALENT FOCAL LENGTH | 6.849 INCHES |
| BACK FOCAL LENGTH | 6.849 INCHES |
