NSN 6650-00-507-9255

Part Details | OPTICAL INSTRUMENT LENS

6650-00-507-9255 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: 6650005079255, 8200007, 8200007, 6650-00-507-9255, 00-507-9255, 6650005079255, 005079255

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
66JAN 01, 196300-507-925521884 ( LENS, OPTICAL INSTRUMENT )
REFERENCE DRAWINGS & PICTURES

DOUBLET

Cross Reference | NSN 6650-00-507-9255
Part Number Cage Code Manufacturer
6650005079255A00AME.C.A ETABLISSEMENT CENTRALDESAPPROVISIONNEMENTS DES FORCES
820000703829GENERAL SCIENTIFIC CORPORATIONDIV GENERAL SCIENTIFIC CORP
820000719200US ARMY ARDEC RDECOM
Technical Data | NSN 6650-00-507-9255
Characteristic Specifications
COMPOUND LENS STYLE DOUBLET
INDIVIDUAL LENS STYLE DOUBLE CONVEX AND MENISCUS DIVERGING
DIAMETER1.500 INCHES NOMINAL
AXIAL THICKNESS0.204 INCHES NOMINAL AND 0.143 INCHES NOMINAL
COMPOUND LENS OVERALL AXIAL THICKNESS0.347 INCHES NOMINAL
COMPOUND LENS EDGE THICKNESS0.289 INCHES NOMINAL
ELEMENT LEFT SURFACE RADIUS-2.649 INCHES AND 22.769 INCHES
ELEMENT RIGHT SURFACE RADIUS-2.649 INCHES AND 6.235 INCHES
EQUIVALENT FOCAL LENGTH11.682 INCHES
BACK FOCAL LENGTH11.660 INCHES
REFRACTION INDEX1.5230 NOMINAL AND 1.6210 NOMINAL
ABBE CONSTANTB58.600$$B36.200
FSC APPLICATION DATAFINDER,RANGE,T42E1,INTEGRATED WITH FIRE CONTROL EQUIPMENT