NSN 6650-00-692-1527

Part Details | OPTICAL INSTRUMENT LENS

6650-00-692-1527 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: 8270607, 6650-00-692-1527, 00-692-1527, 6650006921527, 006921527

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
66JAN 01, 196300-692-152721884 ( LENS, OPTICAL INSTRUMENT )
REFERENCE DRAWINGS & PICTURES

MENISCUS CONVERGING

MENISCUS CONVERGING

Cross Reference | NSN 6650-00-692-1527
Part Number Cage Code Manufacturer
827060719200US ARMY ARDEC RDECOM
Technical Data | NSN 6650-00-692-1527
Characteristic Specifications
SINGLE LENS STYLE MENISCUS CONVERGING
INDIVIDUAL LENS STYLE MENISCUS DIVERGING AND DOUBLE CONVEX
DIAMETER0.945 INCHES NOMINAL
AXIAL THICKNESS0.152 INCHES NOMINAL
COMPOUND LENS OVERALL AXIAL THICKNESS0.152 INCHES NOMINAL
COMPOUND LENS EDGE THICKNESS0.046 INCHES NOMINAL
ELEMENT LEFT SURFACE RADIUS1.715 INCHES
ELEMENT RIGHT SURFACE RADIUS0.736 INCHES
EQUIVALENT FOCAL LENGTH1.995 INCHES
BACK FOCAL LENGTH2.062 INCHES
REFRACTION INDEX1.6110 NOMINAL
ABBE CONSTANT58.800
FSC APPLICATION DATA1. SIGHT PERISCOPE M28,INTEGRATED WITH FIRE CONTROL