NSN 6650-00-131-0644

Part Details | OPTICAL INSTRUMENT RETICLE

6650-00-131-0644 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: 180613PC1, 6650-00-131-0644, 00-131-0644, 6650001310644, 001310644

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
66JAN 01, 196300-131-064421883 ( RETICLE, OPTICAL INSTRUMENT )
REFERENCE DRAWINGS & PICTURES

CROSSLINE

RETICLE,OPTICAL INS | 6650-00-131-0644, 001310644
Cross Reference | NSN 6650-00-131-0644
Part Number Cage Code Manufacturer
180613PC110001NAVAIR AND NAVSEA MANAGEDORIGINAL DESIGN ACTIVITY DWG NOT
Technical Data | NSN 6650-00-131-0644
Characteristic Specifications
MATERIAL GLASS OPTICAL
STYLE DESIGNATOR CROSSLINE
GRADUATIONS/MARKINGS CROSS LINE
REFRACTION INDEX1.5171 NOMINAL
DISPERSION64.3 ANGSTROMS NOMINAL
AXIAL THICKNESS0.2362 INCHES NOMINAL
DIAMETER1.4173 INCHES NOMINAL
ANGLE IN DEG45.0
CONVEX SURFACE RADIUS1.4173 INCHES
RIM FINISH GROUND
SPECIAL FEATURES0.0197 IN. BEVEL DEPTH
SUPPLEMENTARY FEATURESMATERIAL OPTICAL GLASS PER JAN-G-174, GRADE C
FSC APPLICATION DATAFIRE CONTROL TELESCOPE MK 56