NSN 6650-00-757-7956
Part Details | OPTICAL INSTRUMENT LENS
6650-00-757-7956 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: 7577956, 6650-00-757-7956, 00-757-7956, 6650007577956, 007577956
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 66 | JAN 01, 1962 | 00-757-7956 | 21884 ( LENS, OPTICAL INSTRUMENT ) |
REFERENCE DRAWINGS & PICTURES
PLANO-CONVEX
PLANO-CONVEX
Cross Reference | NSN 6650-00-757-7956
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 7577956 | 19200 | US ARMY ARDEC RDECOM |
Technical Data | NSN 6650-00-757-7956
| Characteristic | Specifications |
|---|---|
| SINGLE LENS STYLE | PLANO-CONVEX |
| INDIVIDUAL LENS STYLE | PLANO-CONVEX |
| DIAMETER | 1.546 INCHES NOMINAL |
| AXIAL THICKNESS | 0.563 INCHES NOMINAL |
| COMPOUND LENS OVERALL AXIAL THICKNESS | 0.563 INCHES NOMINAL |
| COMPOUND LENS EDGE THICKNESS | 0.425 INCHES NOMINAL |
| ELEMENT LEFT SURFACE RADIUS | 2.550 INCHES |
| ELEMENT RIGHT SURFACE RADIUS | -17.072 INCHES |
| EQUIVALENT FOCAL LENGTH | 4.332 INCHES |
| BACK FOCAL LENGTH | 4.005 INCHES |
| REFRACTION INDEX | 1.5170 NOMINAL |
| ABBE CONSTANT | 64.500 |
| FSC APPLICATION DATA | TELESCOPE,INTEGRATED WITH FIRE CONTROL |