NSN 6650-00-157-4147

Part Details | OPTICAL INSTRUMENT LENS

6650-00-157-4147 An unmounted, transparent, color free lens which may be treated with a low reflection coating to increase light transmission. Includes single and compound elements. For items having two plane parallel surfaces, see WINDOW, OPTICAL INSTRUMENT. Excludes RETICLE, OPTICAL INSTRUMENT.

Alternate Parts: G8111PC16, 203035PC16, 203035PC16, 6650-00-157-4147, 00-157-4147, 6650001574147, 001574147

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
66JAN 01, 196300-157-414721884 ( LENS, OPTICAL INSTRUMENT )
REFERENCE DRAWINGS & PICTURES

DOUBLET

LENS,OPTICAL INSTRU | 6650-00-157-4147, 001574147
Cross Reference | NSN 6650-00-157-4147
Part Number Cage Code Manufacturer
G8111PC1634993KEUFFEL AND ESSER COLSE OPNS
203035PC1610001NAVAIR AND NAVSEA MANAGEDORIGINAL DESIGN ACTIVITY DWG NOT
203035PC1653711NAVAL SEA SYSTEMS COMMAND
Technical Data | NSN 6650-00-157-4147
Characteristic Specifications
MATERIAL GLASS OPTICAL
COMPOUND LENS STYLE DOUBLET
INDIVIDUAL LENS STYLE DOUBLE CONVEX AND MENISCUS DIVERGING
DIAMETER22.0 MILLIMETERS NOMINAL
AXIAL THICKNESS7.5 MILLIMETERS NOMINAL AND 2.0 MILLIMETERS NOMINAL
COMPOUND LENS OVERALL AXIAL THICKNESS9.5 MILLIMETERS NOMINAL
COMPOUND LENS EDGE THICKNESS5.0 MILLIMETERS NOMINAL
ELEMENT LEFT SURFACE RADIUS21.6 MILLIMETERS AND -17.3 MILLIMETERS
ELEMENT RIGHT SURFACE RADIUS17.3 MILLIMETERS AND 296.0 MILLIMETERS
EQUIVALENT FOCAL LENGTH4.084 CENTIMETERS
BACK FOCAL LENGTH3.451 CENTIMETERS
FRONT FOCAL LENGTH4.117 CENTIMETERS
REFRACTION INDEX1.6490 NOMINAL AND 1.5725 NOMINAL
ABBE CONSTANTB33.800$$B57.400
END ITEM IDENTIFICATIONRANGEFINDER MK42