NSN 6650-00-872-0942
Part Details | OPTICAL INSTRUMENT LENS
6650-00-872-0942 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: 6650008720942, 1240008720942, 8213365, 6650-00-872-0942, 00-872-0942, 6650008720942, 008720942
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 66 | JAN 01, 1960 | 00-872-0942 | 21884 ( LENS, OPTICAL INSTRUMENT ) |
REFERENCE DRAWINGS & PICTURES
DOUBLE CONVEX
DOUBLE CONVEX
Cross Reference | NSN 6650-00-872-0942
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 6650008720942 | SCY13 | E.C.A ETABLISSEMENTCENTRALD'APPROVISIONNEMENT DES |
| 1240008720942 | SCY13 | E.C.A ETABLISSEMENTCENTRALD'APPROVISIONNEMENT DES |
| 8213365 | 19200 | US ARMY ARDEC RDECOM |
Technical Data | NSN 6650-00-872-0942
| Characteristic | Specifications |
|---|---|
| SINGLE LENS STYLE | DOUBLE CONVEX |
| INDIVIDUAL LENS STYLE | DOUBLE CONVEX |
| DIAMETER | 4.079 INCHES NOMINAL |
| AXIAL THICKNESS | 0.741 INCHES NOMINAL |
| ELEMENT LEFT SURFACE RADIUS | 4.818 INCHES |
| ELEMENT RIGHT SURFACE RADIUS | 8.718 INCHES |
| EQUIVALENT FOCAL LENGTH | 5.112 INCHES |
| BACK FOCAL LENGTH | 4.811 INCHES |
| FRONT FOCAL LENGTH | 4.070 INCHES |
| REFRACTION INDEX | 1.6200 NOMINAL |
| ABBE CONSTANT | 60.300 |
| FSC APPLICATION DATA | 1. LENS,OPTICAL INSTRUMENT,EXCEPT SPECIALLY DESIGNED |