NSN 6650-00-450-1739

Part Details | OPTICAL INSTRUMENT WINDOW

6650-00-450-1739 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: 4156557, 415655-7, 4156557, 415655-7, 6650-00-450-1739, 00-450-1739, 6650004501739, 004501739

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
66DEC 10, 196900-450-173910908 ( WINDOW, OPTICAL INSTRUMENT )
REFERENCE DRAWINGS & PICTURES
Cross Reference | NSN 6650-00-450-1739
Part Number Cage Code Manufacturer
415655-789944KOLLSMAN, INC.
415655-710001NAVAIR AND NAVSEA MANAGEDORIGINAL DESIGN ACTIVITY DWG NOT
Technical Data | NSN 6650-00-450-1739
Characteristic Specifications
REFRACTION INDEX1.5170 NOMINAL
DISPERSION64.2 ANGSTROMS NOMINAL
POLISHED SURFACE BOTH
POLISHED PERIPHERY NOT PROVIDED
DIAMETER0.630 INCHES NOMINAL
THICKNESS0.061 INCHES NOMINAL
BEVEL ANGLE IN DEG45.000 NOMINAL
BEVEL DEPTH0.031 INCHES NOMINAL