NSN 6650-00-617-3980
Part Details | OPTICAL INSTRUMENT RETICLE
6650-00-617-3980 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: 6173980, 6650-00-617-3980, 00-617-3980, 6650006173980, 006173980
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 66 | JAN 01, 1963 | 00-617-3980 | 21883 ( RETICLE, OPTICAL INSTRUMENT ) |
REFERENCE DRAWINGS & PICTURES
SIDE AND BOTTOM GRADUATED
Cross Reference | NSN 6650-00-617-3980
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 6173980 | 19200 | US ARMY ARDEC RDECOM |
Technical Data | NSN 6650-00-617-3980
| Characteristic | Specifications |
|---|---|
| MATERIAL | GLASS OPTICAL |
| STYLE DESIGNATOR | SIDE AND BOTTOM GRADUATED |
| GRADUATIONS/MARKINGS | RANGE SCALE |
| SCALE CALIBRATION | 500 TO 2000 YDS,5 TO 0 TO 5 MILS |
| REFRACTION INDEX | 1.5838 NOMINAL AND 1.5230 NOMINAL |
| DISPERSION | 46.0 ANGSTROMS NOMINAL AND 58.6 ANGSTROMS NOMINAL |
| AXIAL THICKNESS | 0.060 INCHES MINIMUM AND 0.080 INCHES MAXIMUM |
| DIAMETER | 0.8220 INCHES MINIMUM AND 0.8260 INCHES MAXIMUM |
| BEVEL DEPTH AND LOCATION | BQF0.0220 INCHES NOMINAL AND BQG0.0100 INCHES MINIMUM AND BQG0.0200 INCHES MAXIMUM |
| ANGLE IN DEG | 45.0 |
| RIM FINISH | GROUND |
| SUPPLEMENTARY FEATURES | MATERIAL OPTICAL GLASS PER MIL-G-174, GRADE C, TYPE 584-460 AND TYPE 525-586 |
| FSC APPLICATION DATA | BINOCULAR,FIRE CONTROL |