NSN 6650-00-683-9553

Part Details | OPTICAL INSTRUMENT LENS

6650-00-683-9553 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: MIL013830, 8574713, 6650-00-683-9553, 00-683-9553, 6650006839553, 006839553

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
66JAN 01, 196300-683-955321884 ( LENS, OPTICAL INSTRUMENT )
REFERENCE DRAWINGS & PICTURES

PLANO-CONVEX

PLANO-CONVEX

Cross Reference | NSN 6650-00-683-9553
Part Number Cage Code Manufacturer
MIL01383081349MILITARY SPECIFICATIONSPROMULGATED BY MILITARY
857471319200US ARMY ARDEC RDECOM
Technical Data | NSN 6650-00-683-9553
Characteristic Specifications
SINGLE LENS STYLE PLANO-CONVEX
INDIVIDUAL LENS STYLE PLANO-CONVEX
DIAMETER1.485 INCHES NOMINAL
AXIAL THICKNESS0.196 INCHES NOMINAL
ELEMENT LEFT SURFACE RADIUS2.156 INCHES
ELEMENT RIGHT SURFACE RADIUS30.776 MILLIMETERS
EQUIVALENT FOCAL LENGTH4.474 INCHES
BACK FOCAL LENGTH4.840 INCHES
REFRACTION INDEX1.5170 NOMINAL
ABBE CONSTANT64.500