NSN 6650-00-556-8054

Part Details | OPTICAL INSTRUMENT WINDOW

6650-00-556-8054 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: P147512, P1475-12, P147512, P1475-12, 6650-00-556-8054, 00-556-8054, 6650005568054, 005568054

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
66JAN 01, 196300-556-805410908 ( WINDOW, OPTICAL INSTRUMENT )
REFERENCE DRAWINGS & PICTURES
Cross Reference | NSN 6650-00-556-8054
Part Number Cage Code Manufacturer
P1475-1234228L3 TECHNOLOGIES, INC.DBA L3 KEO
P1475-1203956NORTHROP GRUMMAN SYSTEMS CORPORATIONDIV NAVIGATION AND MARITIME SYSTEMS
Technical Data | NSN 6650-00-556-8054
Characteristic Specifications
MATERIAL GLASS
REFRACTION INDEX1.5234 NOMINAL
DISPERSION58.0 ANGSTROMS NOMINAL
POLISHED SURFACE BOTH
SURFACE FINISH POLISHED
REFLECTION REDUCING SURFACE BOTH
POLISHED PERIPHERY NOT PROVIDED
DIAMETER85.00 MILLIMETERS NOMINAL
THICKNESS10.00 MILLIMETERS NOMINAL
BEVEL ANGLE IN DEG45.000 NOMINAL
BEVEL DEPTH4.000 MILLIMETERS NOMINAL
FSC APPLICATION DATAPERISCOPE