NSN 6650-00-450-1749

Part Details | OPTICAL INSTRUMENT LENS

6650-00-450-1749 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: 24857815, 248578-15, 6650-00-450-1749, 00-450-1749, 6650004501749, 004501749

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
66DEC 10, 196900-450-174921884 ( LENS, OPTICAL INSTRUMENT )
REFERENCE DRAWINGS & PICTURES

DOUBLE CONVEX

DOUBLE CONVEX

Cross Reference | NSN 6650-00-450-1749
Part Number Cage Code Manufacturer
248578-1589944KOLLSMAN, INC.
Technical Data | NSN 6650-00-450-1749
Characteristic Specifications
SINGLE LENS STYLE DOUBLE CONVEX
INDIVIDUAL LENS STYLE DOUBLE CONVEX
DIAMETER1.732 INCHES NOMINAL
AXIAL THICKNESS0.437 INCHES NOMINAL
EQUIVALENT FOCAL LENGTH3.304 INCHES
BACK FOCAL LENGTH3.074 INCHES
FRONT FOCAL LENGTH3.185 INCHES
REFRACTION INDEX1.6130 NOMINAL
ABBE CONSTANT5058.600