NSN 6650-00-393-0437

Part Details | OPTICAL INSTRUMENT LENS

6650-00-393-0437 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: 11733420, 6650-00-393-0437, 00-393-0437, 6650003930437, 003930437

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
66APR 01, 197400-393-043721884 ( LENS, OPTICAL INSTRUMENT )
REFERENCE DRAWINGS & PICTURES

PLANO-CONVEX

PLANO-CONVEX

Cross Reference | NSN 6650-00-393-0437
Part Number Cage Code Manufacturer
1173342019200US ARMY ARDEC RDECOM
Technical Data | NSN 6650-00-393-0437
Characteristic Specifications
SINGLE LENS STYLE PLANO-CONVEX
DIAMETER2.104 INCHES MINIMUM AND 2.107 INCHES MAXIMUM
AXIAL THICKNESS0.444 INCHES MINIMUM AND 0.454 INCHES MAXIMUM
ELEMENT LEFT SURFACE RADIUS1.787 INCHES
ELEMENT RIGHT SURFACE RADIUS1.787 INCHES
EQUIVALENT FOCAL LENGTH2.881 INCHES
BACK FOCAL LENGTH2.604 INCHES
REFRACTION INDEX1.6200 NOMINAL
ABBE CONSTANT60.300