NSN 6650-00-767-3921
Part Details | OPTICAL INSTRUMENT RETICLE
6650-00-767-3921 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: 7673921, 6650-00-767-3921, 00-767-3921, 6650007673921, 007673921
Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
---|---|---|---|
66 | JAN 01, 1962 | 00-767-3921 | 21883 ( RETICLE, OPTICAL INSTRUMENT ) |
REFERENCE DRAWINGS & PICTURES
CROSSLINE

Cross Reference | NSN 6650-00-767-3921
Part Number | Cage Code | Manufacturer |
---|---|---|
7673921 | 19200 | US ARMY ARDEC RDECOM |
Technical Data | NSN 6650-00-767-3921
Characteristic | Specifications |
---|---|
MATERIAL | GLASS OPTICAL |
STYLE DESIGNATOR | 5 CROSSLINE |
GRADUATIONS/MARKINGS | RANGE SCALE |
SCALE CALIBRATION | 0 TO 2000 YDS,0 TO 2600 YDS |
AMMUNITION IDENTIFICATION INSCRIPTION | 105 MM HOW. HEAT VII |
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 |
SUPPLEMENTARY FEATURES | MATERIAL OPTICAL GLASS PER MIL-G-174, GRADE C, TYPE 523-586 AND TYPE 584-460 |
FSC APPLICATION DATA | TELESCOPE,ELBOW,M16A1C |