NSN 6650-00-045-8355

Part Details | OPTICAL INSTRUMENT LENS

6650-00-045-8355 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: 8644280, 6650-00-045-8355, 00-045-8355, 6650000458355, 000458355

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
66JAN 01, 196300-045-835521884 ( LENS, OPTICAL INSTRUMENT )
REFERENCE DRAWINGS & PICTURES

DOUBLET

Cross Reference | NSN 6650-00-045-8355
Part Number Cage Code Manufacturer
864428019200US ARMY ARDEC RDECOM
Technical Data | NSN 6650-00-045-8355
Characteristic Specifications
MATERIAL GLASS OPTICAL
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-G-174, CLASS 1, GRADE C MIL SPEC SINGLE MATERIAL RESPONSE
COMPOUND LENS STYLE DOUBLET
INDIVIDUAL LENS STYLE MENISCUS DIVERGING AND DOUBLE CONVEX
AXIAL THICKNESS0.307 INCHES NOMINAL AND 0.715 INCHES NOMINAL
COMPOUND LENS OVERALL AXIAL THICKNESS1.022 INCHES NOMINAL
COMPOUND LENS EDGE THICKNESS1.000 INCHES NOMINAL
ELEMENT LEFT SURFACE RADIUS51.105 MILLIMETERS
ELEMENT RIGHT SURFACE RADIUS4.088 MILLIMETERS
EQUIVALENT FOCAL LENGTH10.728 INCHES
BACK FOCAL LENGTH10.039 INCHES
FRONT FOCAL LENGTH9.017 INCHES
REFRACTION INDEX1.6170 NOMINAL AND 1.5230 NOMINAL
ABBE CONSTANTB36.600$$B58.600
FSC APPLICATION DATACOLLIMATOR,INF. AIMING REF,INTEGRATED WITH FIRE CONTROL EQUIP