NSN 6650-00-155-3294

Part Details | OPTICAL INSTRUMENT LENS

6650-00-155-3294 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: 322979PC2, 6650-00-155-3294, 00-155-3294, 6650001553294, 001553294

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
66JAN 01, 196300-155-329421884 ( LENS, OPTICAL INSTRUMENT )
REFERENCE DRAWINGS & PICTURES

DOUBLET

Cross Reference | NSN 6650-00-155-3294
Part Number Cage Code Manufacturer
322979PC210001NAVAIR AND NAVSEA MANAGEDORIGINAL DESIGN ACTIVITY DWG NOT
Technical Data | NSN 6650-00-155-3294
Characteristic Specifications
COMPOUND LENS STYLE DOUBLET
INDIVIDUAL LENS STYLE DOUBLE CONVEX AND MENISCUS DIVERGING
DIAMETER0.964 INCHES NOMINAL
AXIAL THICKNESS0.078 INCHES NOMINAL AND 0.314 INCHES NOMINAL
COMPOUND LENS OVERALL AXIAL THICKNESS0.393 INCHES NOMINAL
COMPOUND LENS EDGE THICKNESS0.241 INCHES NOMINAL
ELEMENT LEFT SURFACE RADIUS3.711 INCHES AND 0.850 INCHES
ELEMENT RIGHT SURFACE RADIUS-1.027 INCHES AND 0.850 INCHES
EQUIVALENT FOCAL LENGTH1.590 INCHES
BACK FOCAL LENGTH1.390 INCHES
FRONT FOCAL LENGTH1.555 INCHES
REFRACTION INDEX1.6490 NOMINAL AND 1.5720 NOMINAL
ABBE CONSTANTB33.800$$B57.400
FSC APPLICATION DATAFIRE CONTROL,RANGE FINDER MK 63