NSN 6650-00-789-4016

Part Details | OPTICAL INSTRUMENT LENS

6650-00-789-4016 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: 8566943, 6650-00-789-4016, 00-789-4016, 6650007894016, 007894016

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
66JAN 01, 196200-789-401621884 ( LENS, OPTICAL INSTRUMENT )
REFERENCE DRAWINGS & PICTURES

MENISCUS DIVERGING

MENISCUS DIVERGING

Cross Reference | NSN 6650-00-789-4016
Part Number Cage Code Manufacturer
856694319200US ARMY ARDEC RDECOM
Technical Data | NSN 6650-00-789-4016
Characteristic Specifications
SINGLE LENS STYLE MENISCUS DIVERGING
DIAMETER2.299 INCHES MINIMUM AND 2.302 INCHES MAXIMUM
AXIAL THICKNESS0.366 INCHES MINIMUM AND 0.382 INCHES MAXIMUM
ELEMENT LEFT SURFACE RADIUS5.239 INCHES
ELEMENT RIGHT SURFACE RADIUS24.877 INCHES
EQUIVALENT FOCAL LENGTH12.754 INCHES
BACK FOCAL LENGTH12.444 INCHES
REFRACTION INDEX1.5170 NOMINAL
ABBE CONSTANT64.500