NSN 6650-00-155-1614
Part Details | OPTICAL INSTRUMENT LENS
6650-00-155-1614 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: 279495PC4, 279495PC4, 6650-00-155-1614, 00-155-1614, 6650001551614, 001551614
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 66 | JAN 01, 1963 | 00-155-1614 | 21884 ( LENS, OPTICAL INSTRUMENT ) |
REFERENCE DRAWINGS & PICTURES
PLANO-CONVEX
PLANO-CONVEX
Cross Reference | NSN 6650-00-155-1614
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 279495PC4 | 74067 | KEUFFEL AND ESSER CO |
| 279495PC4 | 10001 | NAVAIR AND NAVSEA MANAGEDORIGINAL DESIGN ACTIVITY DWG NOT |
Technical Data | NSN 6650-00-155-1614
| Characteristic | Specifications |
|---|---|
| SINGLE LENS STYLE | PLANO-CONVEX |
| DIAMETER | 43.0 MILLIMETERS NOMINAL |
| AXIAL THICKNESS | 4.3 MILLIMETERS NOMINAL |
| ELEMENT LEFT SURFACE RADIUS | 111.5 MILLIMETERS |
| ELEMENT RIGHT SURFACE RADIUS | 0.0 MILLIMETERS |
| EQUIVALENT FOCAL LENGTH | 21.820 CENTIMETERS |
| BACK FOCAL LENGTH | 21.530 CENTIMETERS |
| FRONT FOCAL LENGTH | 21.820 CENTIMETERS |
| REFRACTION INDEX | 1.5110 NOMINAL |
| ABBE CONSTANT | 63.400 |
| END ITEM IDENTIFICATION | PERISCOPE MK20 |