NSN 1240-00-025-0185

Part Details | OPTICAL INSTRUMENT WINDOW

1240-00-025-0185 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: G8840PC10, 220588PC10, 1240-00-025-0185, 00-025-0185, 1240000250185, 000250185

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
12JAN 01, 196300-025-018510908 ( WINDOW, OPTICAL INSTRUMENT )
REFERENCE DRAWINGS & PICTURES
Cross Reference | NSN 1240-00-025-0185
Part Number Cage Code Manufacturer
G8840PC1066796BRUNSON INSTRUMENT COMPANY
220588PC1010001NAVAIR AND NAVSEA MANAGEDORIGINAL DESIGN ACTIVITY DWG NOT
Technical Data | NSN 1240-00-025-0185
Characteristic Specifications
MATERIAL GLASS
REFRACTION INDEX1.5230 NOMINAL
POLISHED SURFACE BOTH
POLISHED PERIPHERY NOT PROVIDED
DIAMETER22.000 MILLIMETERS NOMINAL
THICKNESS4.000 MILLIMETERS NOMINAL
FSC APPLICATION DATARANGEFINDER,FIRE CONTROL