NSN 1240-00-171-7895

Part Details | OPTICAL INSTRUMENT WINDOW

1240-00-171-7895 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: 176149PC1, 1240-00-171-7895, 00-171-7895, 1240001717895, 001717895

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
12JAN 01, 196300-171-789510908 ( WINDOW, OPTICAL INSTRUMENT )
REFERENCE DRAWINGS & PICTURES
Cross Reference | NSN 1240-00-171-7895
Part Number Cage Code Manufacturer
176149PC110001NAVAIR AND NAVSEA MANAGEDORIGINAL DESIGN ACTIVITY DWG NOT
Technical Data | NSN 1240-00-171-7895
Characteristic Specifications
REFRACTION INDEX1.5230 NOMINAL
POLISHED SURFACE BOTH
REFLECTION REDUCING SURFACE BOTH
POLISHED PERIPHERY NOT PROVIDED
DIAMETER16.000 MILLIMETERS NOMINAL
THICKNESS1.500 MILLIMETERS NOMINAL
FSC APPLICATION DATARANGEFINDER MK 37,MOD 2