Part Details | OPTICAL INSTRUMENT RETICLE
6650-00-131-0644 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: 180613PC1, 6650-00-131-0644, 00-131-0644, 6650001310644, 001310644
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 66 | JAN 01, 1963 | 00-131-0644 | 21883 ( RETICLE, OPTICAL INSTRUMENT ) |
REFERENCE DRAWINGS & PICTURES
CROSSLINE
Cross Reference | NSN 6650-00-131-0644
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 180613PC1 | 10001 | NAVAIR AND NAVSEA MANAGEDORIGINAL DESIGN ACTIVITY DWG NOT |
Technical Data | NSN 6650-00-131-0644
| Characteristic | Specifications |
|---|---|
| MATERIAL | GLASS OPTICAL |
| STYLE DESIGNATOR | CROSSLINE |
| GRADUATIONS/MARKINGS | CROSS LINE |
| REFRACTION INDEX | 1.5171 NOMINAL |
| DISPERSION | 64.3 ANGSTROMS NOMINAL |
| AXIAL THICKNESS | 0.2362 INCHES NOMINAL |
| DIAMETER | 1.4173 INCHES NOMINAL |
| ANGLE IN DEG | 45.0 |
| CONVEX SURFACE RADIUS | 1.4173 INCHES |
| RIM FINISH | GROUND |
| SPECIAL FEATURES | 0.0197 IN. BEVEL DEPTH |
| SUPPLEMENTARY FEATURES | MATERIAL OPTICAL GLASS PER JAN-G-174, GRADE C |
| FSC APPLICATION DATA | FIRE CONTROL TELESCOPE MK 56 |