NSN 6650-00-382-1259

Part Details | OPTICAL INSTRUMENT LENS

6650-00-382-1259 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: 274197PC3, 6650-00-382-1259, 00-382-1259, 6650003821259, 003821259

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
66JAN 01, 196300-382-125921884 ( LENS, OPTICAL INSTRUMENT )
REFERENCE DRAWINGS & PICTURES

PLANO-CONVEX

PLANO-CONVEX

Cross Reference | NSN 6650-00-382-1259
Part Number Cage Code Manufacturer
274197PC310001NAVAIR AND NAVSEA MANAGEDORIGINAL DESIGN ACTIVITY DWG NOT
Technical Data | NSN 6650-00-382-1259
Characteristic Specifications
SINGLE LENS STYLE PLANO-CONVEX
DIAMETER3.3858 INCHES NOMINAL
AXIAL THICKNESS0.4330 INCHES NOMINAL
COMPOUND LENS OVERALL AXIAL THICKNESS0.4330 INCHES NOMINAL
COMPOUND LENS EDGE THICKNESS0.3445 INCHES NOMINAL
EQUIVALENT FOCAL LENGTH17.772 INCHES
BACK FOCAL LENGTH17.398 INCHES
FRONT FOCAL LENGTH17.772 INCHES
REFRACTION INDEX1.5169 NOMINAL
ABBE CONSTANT64.400