NSN 6650-00-157-4137

Part Details | OPTICAL INSTRUMENT RETICLE

6650-00-157-4137 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: 203034PC8, G8110PC8, 203034PC8, 203034PC8, 6650-00-157-4137, 00-157-4137, 6650001574137, 001574137

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
66JAN 01, 196300-157-413721883 ( RETICLE, OPTICAL INSTRUMENT )
REFERENCE DRAWINGS & PICTURES

CROSSLINE

Cross Reference | NSN 6650-00-157-4137
Part Number Cage Code Manufacturer
203034PC814001GRAYCO OPTICAL CORP
G8110PC874067KEUFFEL AND ESSER CO
203034PC810001NAVAIR AND NAVSEA MANAGEDORIGINAL DESIGN ACTIVITY DWG NOT
203034PC853711NAVAL SEA SYSTEMS COMMAND
Technical Data | NSN 6650-00-157-4137
Characteristic Specifications
MATERIAL GLASS
STYLE DESIGNATOR CROSSLINE
GRADUATIONS/MARKINGS CROSS LINE
REFRACTION INDEX1.5838 NOMINAL
DISPERSION46.0 ANGSTROMS NOMINAL
AXIAL THICKNESS5.0 MILLIMETERS NOMINAL
DIAMETER30.0 MILLIMETERS NOMINAL
CONVEX SURFACE RADIUS22.1 MILLIMETERS
RIM FINISH GROUND
SUPPLEMENTARY FEATURESMATERIAL: GLASS, BARIUM FLINT
END ITEM IDENTIFICATIONRANGEFINDER MK42