NSN 6650-00-155-2880

Part Details | OPTICAL INSTRUMENT LENS

6650-00-155-2880 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: G11060PC3, 279422PC3, 6650-00-155-2880, 00-155-2880, 6650001552880, 001552880

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
66JAN 01, 196300-155-288021884 ( LENS, OPTICAL INSTRUMENT )
REFERENCE DRAWINGS & PICTURES

DOUBLET

LENS,OPTICAL INSTRU | 6650-00-155-2880, 001552880
Cross Reference | NSN 6650-00-155-2880
Part Number Cage Code Manufacturer
G11060PC374067KEUFFEL AND ESSER CO
279422PC310001NAVAIR AND NAVSEA MANAGEDORIGINAL DESIGN ACTIVITY DWG NOT
Technical Data | NSN 6650-00-155-2880
Characteristic Specifications
MATERIAL GLASS OPTICAL
COMPOUND LENS STYLE DOUBLET
INDIVIDUAL LENS STYLE DOUBLE CONVEX AND MENISCUS DIVERGING
DIAMETER28.0 MILLIMETERS NOMINAL
AXIAL THICKNESS5.0 MILLIMETERS NOMINAL AND 3.0 MILLIMETERS NOMINAL
COMPOUND LENS OVERALL AXIAL THICKNESS8.0 MILLIMETERS NOMINAL
ELEMENT LEFT SURFACE RADIUS99.2 MILLIMETERS AND -56.9 MILLIMETERS
ELEMENT RIGHT SURFACE RADIUS56.9 MILLIMETERS AND 168.1 MILLIMETERS
EQUIVALENT FOCAL LENGTH14.057 CENTIMETERS
BACK FOCAL LENGTH13.705 CENTIMETERS
FRONT FOCAL LENGTH13.891 CENTIMETERS
REFRACTION INDEX1.5110 NOMINAL AND 1.6490 NOMINAL
ABBE CONSTANTB63.500$$B33.800
END ITEM IDENTIFICATIONRANGEFINDER MK51