NSN 6650-00-143-1604

Part Details | OPTICAL INSTRUMENT LENS

6650-00-143-1604 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: G10100PC15, 265862PC15, 6650-00-143-1604, 00-143-1604, 6650001431604, 001431604

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
66JAN 01, 196300-143-160421884 ( LENS, OPTICAL INSTRUMENT )
REFERENCE DRAWINGS & PICTURES

DOUBLET

LENS,OPTICAL INSTRU | 6650-00-143-1604, 001431604
Cross Reference | NSN 6650-00-143-1604
Part Number Cage Code Manufacturer
G10100PC1534993KEUFFEL AND ESSER COLSE OPNS
265862PC1510001NAVAIR AND NAVSEA MANAGEDORIGINAL DESIGN ACTIVITY DWG NOT
Technical Data | NSN 6650-00-143-1604
Characteristic Specifications
COMPOUND LENS STYLE DOUBLET
INDIVIDUAL LENS STYLE MENISCUS DIVERGING AND DOUBLE CONVEX
DIAMETER22.0 MILLIMETERS NOMINAL
AXIAL THICKNESS2.0 MILLIMETERS NOMINAL AND 4.0 MILLIMETERS NOMINAL
COMPOUND LENS OVERALL AXIAL THICKNESS6.0 MILLIMETERS NOMINAL
ELEMENT LEFT SURFACE RADIUS269.6 MILLIMETERS AND 87.8 MILLIMETERS
ELEMENT RIGHT SURFACE RADIUS-87.8 MILLIMETERS AND 304.0 MILLIMETERS
EQUIVALENT FOCAL LENGTH34.940 CENTIMETERS
BACK FOCAL LENGTH34.730 CENTIMETERS
FRONT FOCAL LENGTH34.760 CENTIMETERS
REFRACTION INDEX1.6170 NOMINAL AND 1.5185 NOMINAL
ABBE CONSTANTB36.600$$B59.600
END ITEM IDENTIFICATIONRANGEFINDER MK42