NSN 6650-00-898-6788
Part Details | OPTICAL INSTRUMENT RETICLE
6650-00-898-6788 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: 8587492, 6650-00-898-6788, 00-898-6788, 6650008986788, 008986788
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 66 | JAN 01, 1962 | 00-898-6788 | 21883 ( RETICLE, OPTICAL INSTRUMENT ) |
REFERENCE DRAWINGS & PICTURES
CROSSLINE
Cross Reference | NSN 6650-00-898-6788
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 8587492 | 19200 | US ARMY ARDEC RDECOM |
Technical Data | NSN 6650-00-898-6788
| Characteristic | Specifications |
|---|---|
| MATERIAL | GLASS OPTICAL |
| STYLE DESIGNATOR | 5 CROSSLINE |
| GRADUATIONS/MARKINGS | RANGE SCALE |
| SCALE CALIBRATION | 800 TO 2400 METERS |
| AMMUNITION IDENTIFICATION INSCRIPTION | 175MM GUN-HE-M437,CHARGE 3 |
| REFRACTION INDEX | 1.5230 NOMINAL AND 1.5838 NOMINAL |
| DISPERSION | 58.6 ANGSTROMS NOMINAL AND 46.0 ANGSTROMS NOMINAL |
| AXIAL THICKNESS | 0.100 INCHES MINIMUM AND 0.120 INCHES MAXIMUM |
| DIAMETER | 1.0730 INCHES MINIMUM AND 1.0760 INCHES MAXIMUM |
| BEVEL DEPTH AND LOCATION | BQE0.0200 INCHES MINIMUM AND BQE0.0300 INCHES MAXIMUM |
| ANGLE IN DEG | 45.0 |
| RIM FINISH | GROUND |
| SPECIAL FEATURES | ETCHED LINES FILLED WITH SODIUM SILICATE AND TITANIUM DIOXIDE |
| SUPPLEMENTARY FEATURES | MATERIAL OPTICAL GLASS PER MIL-G-174, GRADE C, TYPE 523-586 OR TYPE 584-460 |
| END ITEM IDENTIFICATION | M116 TELESCOPE |
