Part Details | OPTICAL INSTRUMENT LENS
6650-00-692-1527 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: 8270607, 6650-00-692-1527, 00-692-1527, 6650006921527, 006921527
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 66 | JAN 01, 1963 | 00-692-1527 | 21884 ( LENS, OPTICAL INSTRUMENT ) |
REFERENCE DRAWINGS & PICTURES
MENISCUS CONVERGING
MENISCUS CONVERGING
Cross Reference | NSN 6650-00-692-1527
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 8270607 | 19200 | US ARMY ARDEC RDECOM |
Technical Data | NSN 6650-00-692-1527
| Characteristic | Specifications |
|---|---|
| SINGLE LENS STYLE | MENISCUS CONVERGING |
| INDIVIDUAL LENS STYLE | MENISCUS DIVERGING AND DOUBLE CONVEX |
| DIAMETER | 0.945 INCHES NOMINAL |
| AXIAL THICKNESS | 0.152 INCHES NOMINAL |
| COMPOUND LENS OVERALL AXIAL THICKNESS | 0.152 INCHES NOMINAL |
| COMPOUND LENS EDGE THICKNESS | 0.046 INCHES NOMINAL |
| ELEMENT LEFT SURFACE RADIUS | 1.715 INCHES |
| ELEMENT RIGHT SURFACE RADIUS | 0.736 INCHES |
| EQUIVALENT FOCAL LENGTH | 1.995 INCHES |
| BACK FOCAL LENGTH | 2.062 INCHES |
| REFRACTION INDEX | 1.6110 NOMINAL |
| ABBE CONSTANT | 58.800 |
| FSC APPLICATION DATA | 1. SIGHT PERISCOPE M28,INTEGRATED WITH FIRE CONTROL |