NSN 6650-00-157-3854
Part Details | OPTICAL INSTRUMENT RETICLE
6650-00-157-3854 An item, usually made of glass, having fine wires or hairs, or etched or printed fine lines on a surface, and placed in the focal plane of an optical instrument to establish a reference point to the axis for the purpose of aiming, measuring, ranging, and the like. Excludes LENS, OPTICAL INSTRUMENT.
Alternate Parts: 30175PC5, 415275PC5, 6650-00-157-3854, 00-157-3854, 6650001573854, 001573854
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 66 | JAN 01, 1963 | 00-157-3854 | 21883 ( RETICLE, OPTICAL INSTRUMENT ) |
REFERENCE DRAWINGS & PICTURES
CROSSLINE
Cross Reference | NSN 6650-00-157-3854
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 30175PC5 | 74067 | KEUFFEL AND ESSER CO |
| 415275PC5 | 10001 | NAVAIR AND NAVSEA MANAGEDORIGINAL DESIGN ACTIVITY DWG NOT |
Technical Data | NSN 6650-00-157-3854
| Characteristic | Specifications |
|---|---|
| MATERIAL | GLASS BOROSILICATE |
| STYLE DESIGNATOR | CROSSLINE |
| GRADUATIONS/MARKINGS | CROSS LINE |
| REFRACTION INDEX | 1.5230 NOMINAL |
| DISPERSION | 58.6 ANGSTROMS NOMINAL |
| AXIAL THICKNESS | 1.7 MILLIMETERS NOMINAL |
| DIAMETER | 26.5 MILLIMETERS NOMINAL |
| RIM FINISH | GROUND |
| END ITEM IDENTIFICATION | TELESCOPE MK90 |