NSN 6650-00-507-9259

Part Details | OPTICAL INSTRUMENT LENS

6650-00-507-9259 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: 8200026, 6650-00-507-9259, 00-507-9259, 6650005079259, 005079259

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
66JAN 01, 196300-507-925921884 ( LENS, OPTICAL INSTRUMENT )
REFERENCE DRAWINGS & PICTURES

DOUBLET

Cross Reference | NSN 6650-00-507-9259
Part Number Cage Code Manufacturer
820002619200US ARMY ARDEC RDECOM
Technical Data | NSN 6650-00-507-9259
Characteristic Specifications
COMPOUND LENS STYLE DOUBLET
INDIVIDUAL LENS STYLE DOUBLE CONVEX AND MENISCUS DIVERGING
DIAMETER1.400 INCHES NOMINAL
AXIAL THICKNESS0.225 INCHES NOMINAL AND 0.130 INCHES NOMINAL
COMPOUND LENS OVERALL AXIAL THICKNESS0.355 INCHES NOMINAL
COMPOUND LENS EDGE THICKNESS0.338 INCHES NOMINAL
ELEMENT LEFT SURFACE RADIUS16.760 MILLIMETERS
ELEMENT RIGHT SURFACE RADIUS16.760 MILLIMETERS
EQUIVALENT FOCAL LENGTH34.000 INCHES
BACK FOCAL LENGTH13.418 INCHES
REFRACTION INDEX1.5170 NOMINAL AND 1.6490 NOMINAL
ABBE CONSTANTB64.500$$B33.800
FSC APPLICATION DATAFINDER RANGE M12,INTEGRATED WITH FIRE CONTROL