NSN 6650-00-800-4092

Part Details | OPTICAL INSTRUMENT WINDOW

6650-00-800-4092 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: 415275PC1, 415275PC1, 6650-00-800-4092, 00-800-4092, 6650008004092, 008004092

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
66JAN 01, 196200-800-409210908 ( WINDOW, OPTICAL INSTRUMENT )
REFERENCE DRAWINGS & PICTURES
Cross Reference | NSN 6650-00-800-4092
Part Number Cage Code Manufacturer
415275PC110001NAVAIR AND NAVSEA MANAGEDORIGINAL DESIGN ACTIVITY DWG NOT
415275PC153711NAVAL SEA SYSTEMS COMMAND
Technical Data | NSN 6650-00-800-4092
Characteristic Specifications
REFRACTION INDEX1.5150 MINIMUM AND 1.5190 MAXIMUM
DISPERSION64.000 ANGSTROMS MINIMUM AND 65.000 ANGSTROMS MAXIMUM
POLISHED SURFACE BOTH
SURFACE FINISH POLISHED
POLISHED PERIPHERY PROVIDED
DIAMETER55.515 INCHES MINIMUM AND 55.520 INCHES MAXIMUM
THICKNESS13.200 MILLIMETERS MINIMUM AND 13.600 MILLIMETERS MAXIMUM
BEVEL ANGLE IN DEG45.000 NOMINAL
BEVEL DEPTH1.500 MILLIMETERS NOMINAL
FSC APPLICATION DATATELESCOPE MK 90 MOD 0