NSN 6650-00-507-9254

Part Details | OPTICAL INSTRUMENT LENS

6650-00-507-9254 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: 6650005079254, 8200005, 6650-00-507-9254, 00-507-9254, 6650005079254, 005079254

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
66JAN 01, 196300-507-925421884 ( LENS, OPTICAL INSTRUMENT )
REFERENCE DRAWINGS & PICTURES

DOUBLET

LENS,OPTICAL INSTRU | 6650-00-507-9254, 005079254
Cross Reference | NSN 6650-00-507-9254
Part Number Cage Code Manufacturer
6650005079254A00AME.C.A ETABLISSEMENT CENTRALDESAPPROVISIONNEMENTS DES FORCES
820000519200US ARMY ARDEC RDECOM
Technical Data | NSN 6650-00-507-9254
Characteristic Specifications
COMPOUND LENS STYLE DOUBLET
INDIVIDUAL LENS STYLE DOUBLE CONVEX AND PLANO-CONCAVE
DIAMETER1.300 INCHES NOMINAL
AXIAL THICKNESS0.179 INCHES NOMINAL AND 0.130 INCHES NOMINAL
COMPOUND LENS OVERALL AXIAL THICKNESS0.309 INCHES NOMINAL
COMPOUND LENS EDGE THICKNESS0.269 INCHES NOMINAL
ELEMENT LEFT SURFACE RADIUS7.289 INCHES
ELEMENT RIGHT SURFACE RADIUS4.111 INCHES
EQUIVALENT FOCAL LENGTH10.600 INCHES
BACK FOCAL LENGTH10.455 INCHES
REFRACTION INDEX1.5725 NOMINAL AND 1.6490 NOMINAL
ABBE CONSTANTB57.400$$B33.800
FSC APPLICATION DATAFINDER,RANGE,T46E1 INTEGRATED WITH FIRE CONTROL EQUIPMENT