NSN 6650-00-504-9913

Part Details | OPTICAL INSTRUMENT LENS

6650-00-504-9913 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: DAD112730, 1240005049913, 5049913, 6650-00-504-9913, 00-504-9913, 6650005049913, 005049913

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
66JAN 01, 196300-504-991321884 ( LENS, OPTICAL INSTRUMENT )
REFERENCE DRAWINGS & PICTURES

DOUBLET

Cross Reference | NSN 6650-00-504-9913
Part Number Cage Code Manufacturer
DAD11273035907DIRECTOR GENERAL LAND EQUIPMENTPROGRAM MANAGEMENT
1240005049913A00AME.C.A ETABLISSEMENT CENTRALDESAPPROVISIONNEMENTS DES FORCES
504991319200US ARMY ARDEC RDECOM
Technical Data | NSN 6650-00-504-9913
Characteristic Specifications
COMPOUND LENS STYLE DOUBLET
INDIVIDUAL LENS STYLE DOUBLE CONVEX AND MENISCUS DIVERGING
DIAMETER0.719 INCHES NOMINAL
AXIAL THICKNESS0.130 INCHES NOMINAL AND 0.064 INCHES NOMINAL
COMPOUND LENS OVERALL AXIAL THICKNESS0.194 INCHES NOMINAL
COMPOUND LENS EDGE THICKNESS0.171 INCHES NOMINAL
ELEMENT LEFT SURFACE RADIUS2.446 INCHES
ELEMENT RIGHT SURFACE RADIUS1.664 INCHES
EQUIVALENT FOCAL LENGTH4.004 INCHES
BACK FOCAL LENGTH3.911 INCHES
REFRACTION INDEX1.5170 NOMINAL AND 1.6490 NOMINAL
ABBE CONSTANTB64.500$$B33.800
FSC APPLICATION DATAPANORAMIC TELESCOPE,INTEGRATED WITH FIRE CONTROL EQUIPMENT