NSN 1240-00-171-4166

Part Details | OPTICAL INSTRUMENT WINDOW

1240-00-171-4166 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: 105768PC5, 105768PC5, 1240-00-171-4166, 00-171-4166, 1240001714166, 001714166

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
12JAN 01, 196300-171-416610908 ( WINDOW, OPTICAL INSTRUMENT )
REFERENCE DRAWINGS & PICTURES
Cross Reference | NSN 1240-00-171-4166
Part Number Cage Code Manufacturer
105768PC510001NAVAIR AND NAVSEA MANAGEDORIGINAL DESIGN ACTIVITY DWG NOT
105768PC505EW5SELECTRON INTL OPTRONICS LLCDBA BROOMER RESEARCH
Technical Data | NSN 1240-00-171-4166
Characteristic Specifications
REFRACTION INDEX1.5165 NOMINAL
POLISHED SURFACE BOTH
REFLECTION REDUCING SURFACE BOTH
POLISHED PERIPHERY NOT PROVIDED
DIAMETER41.000 MILLIMETERS NOMINAL
THICKNESS5.000 MILLIMETERS NOMINAL
BEVEL ANGLE IN DEG45.000 NOMINAL
BEVEL DEPTH1.000 INCHES NOMINAL
FSC APPLICATION DATARANGEFINDER MK 51,MOD 4