NSN 6650-00-558-1108
Part Details | OPTICAL INSTRUMENT RETICLE
6650-00-558-1108 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: 5581108, 6650-00-558-1108, 00-558-1108, 6650005581108, 005581108
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 66 | JAN 01, 1963 | 00-558-1108 | 21883 ( RETICLE, OPTICAL INSTRUMENT ) |
REFERENCE DRAWINGS & PICTURES
GRID
Cross Reference | NSN 6650-00-558-1108
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 5581108 | 19200 | US ARMY ARDEC RDECOM |
Technical Data | NSN 6650-00-558-1108
| Characteristic | Specifications |
|---|---|
| MATERIAL | GLASS OPTICAL |
| STYLE DESIGNATOR | GRID |
| GRADUATIONS/MARKINGS | BALLISTIC DESIGNATION |
| SCALE CALIBRATION | 50-0-50 MILS |
| REFRACTION INDEX | 1.5840 NOMINAL |
| DISPERSION | 46.0 ANGSTROMS NOMINAL |
| AXIAL THICKNESS | 0.120 INCHES NOMINAL |
| DIAMETER | 1.2490 INCHES NOMINAL |
| ANGLE IN DEG | 45.0 |
| RIM FINISH | GROUND |
| SPECIAL FEATURES | 0.0150 IN. BEVEL DEPTH |
| SUPPLEMENTARY FEATURES | MATERIAL OPTICAL GLASS PER JAN-G-174, GRADE C |
| FSC APPLICATION DATA | TELESCOPE,M70C |