NSN 6650-00-066-4999

Part Details | OPTICAL INSTRUMENT WINDOW

6650-00-066-4999 A color free item of transparent or translucent material, usually optical glass, having specific light dispersive and refractive properties. This item must have two plane-parallel surfaces and is designed for use in an optical instrument to provide a barrier to foreign matter and/or permit light transmission in or to the optical system.

Alternate Parts: 8626400, 6650-00-066-4999, 00-066-4999, 6650000664999, 000664999

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
66JAN 01, 196300-066-499910908 ( WINDOW, OPTICAL INSTRUMENT )
REFERENCE DRAWINGS & PICTURES
Cross Reference | NSN 6650-00-066-4999
Part Number Cage Code Manufacturer
862640019200US ARMY ARDEC RDECOM
Technical Data | NSN 6650-00-066-4999
Characteristic Specifications
MATERIAL GLASS
MATERIAL DOCUMENT AND CLASSIFICATIONDD-G-451 FED SPEC SINGLE MATERIAL RESPONSE
POLISHED SURFACE BOTH
POLISHED PERIPHERY NOT PROVIDED
WIDTH0.530 INCHES MINIMUM AND 0.550 INCHES MAXIMUM
LENGTH1.650 INCHES MINIMUM AND 1.670 INCHES MAXIMUM
THICKNESS0.125 INCHES NOMINAL
BEVEL ANGLE IN DEG45.000 NOMINAL
BEVEL DEPTH0.020 INCHES NOMINAL
SPECIAL FEATURESROUNDED CORNERS WITH A 0.275 RADIUS
FSC APPLICATION DATAQUADRANT,FIRE CONTROL