NSN 6650-00-757-8043

Part Details | OPTICAL INSTRUMENT LENS

6650-00-757-8043 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: 7578043, 6650-00-757-8043, 00-757-8043, 6650007578043, 007578043

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
66JAN 01, 196200-757-804321884 ( LENS, OPTICAL INSTRUMENT )
REFERENCE DRAWINGS & PICTURES

PLANO-CONVEX

PLANO-CONVEX

Cross Reference | NSN 6650-00-757-8043
Part Number Cage Code Manufacturer
757804319200US ARMY ARDEC RDECOM
Technical Data | NSN 6650-00-757-8043
Characteristic Specifications
SINGLE LENS STYLE PLANO-CONVEX
INDIVIDUAL LENS STYLE PLANO-CONVEX
DIAMETER1.343 INCHES NOMINAL
AXIAL THICKNESS0.270 INCHES NOMINAL
COMPOUND LENS OVERALL AXIAL THICKNESS0.270 INCHES NOMINAL
COMPOUND LENS EDGE THICKNESS0.188 INCHES NOMINAL
ELEMENT LEFT SURFACE RADIUS2.549 INCHES
ELEMENT RIGHT SURFACE RADIUS27.234 INCHES
EQUIVALENT FOCAL LENGTH4.540 INCHES
BACK FOCAL LENGTH4.356 INCHES
REFRACTION INDEX1.6170 NOMINAL
ABBE CONSTANT55.000
FSC APPLICATION DATAPERISCOPE,M14A1,INTEGRATED WITH FIRE CONTROL EQUIPMENT