NSN 6650-00-382-1912

Part Details | OPTICAL INSTRUMENT LENS

6650-00-382-1912 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: LD172591GP17, 727236PC1, 265862, LD172591PC17, G10100, LD172591PC17, 6650-00-382-1912, 00-382-1912, 6650003821912, 003821912

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
66JAN 01, 196300-382-191221884 ( LENS, OPTICAL INSTRUMENT )
REFERENCE DRAWINGS & PICTURES

DOUBLET

Cross Reference | NSN 6650-00-382-1912
Part Number Cage Code Manufacturer
LD172591GP1710001NAVAIR AND NAVSEA MANAGEDORIGINAL DESIGN ACTIVITY DWG NOT
727236PC110001NAVAIR AND NAVSEA MANAGEDORIGINAL DESIGN ACTIVITY DWG NOT
26586210001NAVAIR AND NAVSEA MANAGEDORIGINAL DESIGN ACTIVITY DWG NOT
LD172591PC1710001NAVAIR AND NAVSEA MANAGEDORIGINAL DESIGN ACTIVITY DWG NOT
G1010053711NAVAL SEA SYSTEMS COMMAND
LD172591PC1753711NAVAL SEA SYSTEMS COMMAND
Technical Data | NSN 6650-00-382-1912
Characteristic Specifications
COMPOUND LENS STYLE DOUBLET
INDIVIDUAL LENS STYLE DOUBLE CONVEX AND PLANO-CONCAVE
DIAMETER20.0 MILLIMETERS NOMINAL
AXIAL THICKNESS4.0 MILLIMETERS NOMINAL AND 3.0 MILLIMETERS NOMINAL
COMPOUND LENS OVERALL AXIAL THICKNESS7.0 MILLIMETERS NOMINAL
COMPOUND LENS EDGE THICKNESS7.0 MILLIMETERS NOMINAL
ELEMENT LEFT SURFACE RADIUS771.3 MILLIMETERS AND -705.7 MILLIMETERS
ELEMENT RIGHT SURFACE RADIUS771.3 MILLIMETERS AND 0.0 MILLIMETERS
EQUIVALENT FOCAL LENGTHC198.170$C120.870
BACK FOCAL LENGTHC196.060$C120.680
REFRACTION INDEX1.5110 NOMINAL AND 1.5838 NOMINAL
ABBE CONSTANTB63.500$$B46.000