NSN 1240-00-155-1728

Part Details | OPTICAL INSTRUMENT RETICLE ASSEMBLY

1240-00-155-1728 An optical element consisting of a polished optical glass disk to which is bonded a RETICLE, OPTICAL INSTRUMENT and a PRISM, OPTICAL INSTRUMENT. A right-hand and a left-hand assembly are used in an optical system to provide three dimensional vision of an object or target.

Alternate Parts: 278702PC1, 1240-00-155-1728, 00-155-1728, 1240001551728, 001551728

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
12JAN 01, 196300-155-172824164 ( RETICLE ASSEMBLY, OPTICAL INSTRUMENT )
REFERENCE DRAWINGS & PICTURES

CROSSLINE

Cross Reference | NSN 1240-00-155-1728
Part Number Cage Code Manufacturer
278702PC110001NAVAIR AND NAVSEA MANAGEDORIGINAL DESIGN ACTIVITY DWG NOT
Technical Data | NSN 1240-00-155-1728
Characteristic Specifications
MATERIAL GLASS OPTICAL
STYLE DESIGNATOR0 CROSSLINE
GRADUATIONS/MARKINGS RANGE SCALE
REFRACTION INDEX1.5171 NOMINAL
DISPERSION46.0 ANGSTROMS NOMINAL
AXIAL THICKNESS4.0 MILLIMETERS NOMINAL
LENGTH11.6 MILLIMETERS NOMINAL
ANGLE IN DEG45.0
EDGE THICKNESS11.6 MILLIMETERS NOMINAL
RIM FINISH POLISHED
END ITEM IDENTIFICATIONRANGEFINDER MK37 MOD. FIVE