NSN 1240-00-171-4216

Part Details | OPTICAL INSTRUMENT WINDOW

1240-00-171-4216 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: 105768PC2, 1240-00-171-4216, 00-171-4216, 1240001714216, 001714216

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
12JAN 01, 196300-171-421610908 ( WINDOW, OPTICAL INSTRUMENT )
REFERENCE DRAWINGS & PICTURES
Cross Reference | NSN 1240-00-171-4216
Part Number Cage Code Manufacturer
105768PC210001NAVAIR AND NAVSEA MANAGEDORIGINAL DESIGN ACTIVITY DWG NOT
Technical Data | NSN 1240-00-171-4216
Characteristic Specifications
REFRACTION INDEX1.5150 NOMINAL
POLISHED SURFACE BOTH
REFLECTION REDUCING SURFACE BOTH
POLISHED PERIPHERY NOT PROVIDED
DIAMETER152.000 MILLIMETERS NOMINAL
THICKNESS3.500 MILLIMETERS NOMINAL
FSC APPLICATION DATARANGEFINDER MK 51,MOD 4