NSN 1240-00-171-4161

Part Details | OPTICAL INSTRUMENT WINDOW

1240-00-171-4161 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: 236932PC1, 1240-00-171-4161, 00-171-4161, 1240001714161, 001714161

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
12JAN 01, 196300-171-416110908 ( WINDOW, OPTICAL INSTRUMENT )
REFERENCE DRAWINGS & PICTURES
Cross Reference | NSN 1240-00-171-4161
Part Number Cage Code Manufacturer
236932PC110001NAVAIR AND NAVSEA MANAGEDORIGINAL DESIGN ACTIVITY DWG NOT
Technical Data | NSN 1240-00-171-4161
Characteristic Specifications
REFRACTION INDEX1.5230 NOMINAL
POLISHED SURFACE BOTH
REFLECTION REDUCING SURFACE ONE
POLISHED PERIPHERY NOT PROVIDED
WIDTH115.000 MILLIMETERS NOMINAL
LENGTH160.000 MILLIMETERS NOMINAL
THICKNESS11.180 MILLIMETERS NOMINAL
SPECIAL FEATURES30.0 MM RADIUS ON ALL CORNERS
FSC APPLICATION DATAPERISCOPE MK 32