NSN 6650-00-995-8013

Part Details | OPTICAL INSTRUMENT LENS

6650-00-995-8013 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: 6650009958013, 8213364, 6650-00-995-8013, 00-995-8013, 6650009958013, 009958013

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
66JAN 01, 196200-995-801321884 ( LENS, OPTICAL INSTRUMENT )
REFERENCE DRAWINGS & PICTURES

DOUBLE CONVEX

DOUBLE CONVEX

Cross Reference | NSN 6650-00-995-8013
Part Number Cage Code Manufacturer
6650009958013SCY13E.C.A ETABLISSEMENTCENTRALD'APPROVISIONNEMENT DES
821336419200US ARMY ARDEC RDECOM
Technical Data | NSN 6650-00-995-8013
Characteristic Specifications
SINGLE LENS STYLE DOUBLE CONVEX
INDIVIDUAL LENS STYLE DOUBLE CONVEX
DIAMETER4.080 INCHES NOMINAL
AXIAL THICKNESS0.395 INCHES NOMINAL
ELEMENT LEFT SURFACE RADIUS12.800 MILLIMETERS
ELEMENT RIGHT SURFACE RADIUS187.383 MILLIMETERS
EQUIVALENT FOCAL LENGTH19.383 INCHES
BACK FOCAL LENGTH19.114 INCHES
FRONT FOCAL LENGTH18.719 INCHES
REFRACTION INDEX1.6200 NOMINAL
ABBE CONSTANT60.300