Product Details | OPTICAL INSTRUMENT RETICLE

1240-00-767-3921 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.

Part Alternates: 007673921

Fire Control Equipment | Optical Sighting and Ranging Equipment

Supply Group (FSG) NSN Assign. NIIN
12 00-767-3921

Drawings & Photos | NSN 1240-00-767-3921


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Technical Data | NSN 1240-00-767-3921

Characteristic Specifications
MATERIAL GLASS OPTICAL
STYLE DESIGNATOR A15 VERTICALLY GRADUATED
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 0.0200 INCHES MINIMUM BOTH SURFACES AND 0.0300 INCHES MAXIMUM BOTH SURFACES
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
(NON-CORE DATA) EDGE THICKNESS 0.1000 INCHES MINIMUM AND 0.1200 INCHES MAXIMUM
MANUFACTURERS CODE 19200
DESIGN CONTROL REFERENCE 7673921

Restrictions/Controls & Freight Information | NSN 1240-00-767-3921

Category Code Description
Hazardous Material Indicator CodeNThere is no data in the HMIS and the NSN is in an FSC not generally suspected of containing hazardous materials
Category Code Description
No Freight Information