NSN 6650-00-995-8015

Part Details | OPTICAL INSTRUMENT LENS

6650-00-995-8015 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: 5365009958015, 8213366, 6650-00-995-8015, 00-995-8015, 6650009958015, 009958015

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
66JAN 01, 196200-995-801521884 ( LENS, OPTICAL INSTRUMENT )
REFERENCE DRAWINGS & PICTURES

DOUBLE CONCAVE

DOUBLE CONCAVE

Cross Reference | NSN 6650-00-995-8015
Part Number Cage Code Manufacturer
5365009958015SCY13E.C.A ETABLISSEMENTCENTRALD'APPROVISIONNEMENT DES
821336619200US ARMY ARDEC RDECOM
Technical Data | NSN 6650-00-995-8015
Characteristic Specifications
SINGLE LENS STYLE DOUBLE CONCAVE
INDIVIDUAL LENS STYLE DOUBLE CONCAVE
DIAMETER4.080 INCHES NOMINAL
AXIAL THICKNESS2.769 INCHES NOMINAL
ELEMENT LEFT SURFACE RADIUS8.718 INCHES
ELEMENT RIGHT SURFACE RADIUS5.044 INCHES
EQUIVALENT FOCAL LENGTH3.919 INCHES
BACK FOCAL LENGTH4.453 INCHES
FRONT FOCAL LENGTH3.684 INCHES
REFRACTION INDEX1.7510 NOMINAL
ABBE CONSTANT27.800